This is a subgenre of both Rock and Pop music, (sometimes combining both) with a heavy Indian influence, either in its construction, its timbre, or its use of Indian Musical Instruments, such as the Sitar, Tabla, and Tambura.
There's a more comprehensive list Here.
More recently, scholars have included British Rock music from the 1960s and 1970s that utilises South Asian musical materials, along with instruments and Western ideas of South Asia.
Raga Rock is not normally considered a specific genre of music, but rather a general aspect of any Rock significantly influenced by Indian classical music. Since Indian influences are primarily limited to 1960s Rock, most Raga Rock is limited to that decade, although heavily Indian-derived sounds are found in some post-1960s popular music.
Ragas are specific melodic modes used in the classical music of South Asia. Thus, any Rock song with obvious Indian influences may be deemed "Raga Rock" although the term is frequently used to refer to much more explicitly Indian musical outings. A major influence on Raga Rock was the Indian classical raga music of Bengali Sitarist Ravi Shankar, who himself had become a Pop music icon by 1966, following the rise of the Raga Rock trend.
Writing for Crawdaddy! in December 1966, Sandy Pearlman traced the origins of Raga Rock to Folk music, specifically the drone-producing guitar tunings which American Folk musician Sandy Bull had been incorporating into his music since 1963. More recently, authors John Schaefer and Rob Chapman have both noted that English Folk guitarist Davey Graham's Raga-tinged arrangement of the Irish ballad "She Moved Through the Fair", from 1963's From a London Hootenanny EP, predated the Raga Rock experimentation of '60s Rock groups by two years.
Music researcher William Echard notes that "Heart Full of Soul" by The Yardbirds, which was released in June 1965, "is frequently cited as a key text in starting the trend" towards incorporating Indian-inspired elements in Rock music. An Indian Sitarist and a tabla player accompanied The Yardbirds on a demo recording of the song, but only the Tabla part was deemed usable. Instead, Jeff Beck emulated the Sitar figure, tone, and accompanying drone on the electric guitar for the master recording. The song reached number 2 on the UK chart. Author Andy Miller says that the subgenre's widespread popularity was preceded by the July 1965 release of "See My Friends", a top-ten single in the UK for The Kinks. Written by Ray Davies and inspired by a visit to India, the song used guitar to imitate the drone produced by an Indian tambura. Music writer Andrew Grant Jackson adds, "Ray's vocal whine and drone lend his voice an Indian quality".
Writing in 1997, musicologist Jonathan Bellman wrote that these two recordings were often overlooked in discussions of Raga Rock's origins, as history instead highlighted The Beatles' "Norwegian Wood (This Bird Has Flown)". Issued in December 1965 on the band's Rubber Soul album, "Norwegian Wood" was the first Western Pop song to incorporate the Sitar, which was played by lead guitarist George Harrison. The song's popularity inspired a wave of interest in the Sitar and Indian sounds; according to author Nicholas Schaffner, Raga Rock was "launched" by the release of "Norwegian Wood".
The Byrds' March 1966 single "Eight Miles High" and its B-side, "Why", were also influential in originating the subgenre. The term "Raga Rock" was itself coined by The Byrds' publicist in press releases for the single and was first used in print by journalist Sally Kempton in her review of "Eight Miles High" for The Village Voice. Whereas earlier recordings by The Kinks, The Yardbirds and The Beatles had used Indian sounds to complement standard song forms, The Byrds incorporated the improvisational technique typical of Shankar's work and of John Coltrane's Jazz interpretations of ragas.
In his 1968 Pop Chronicles interview, however, Byrds member Roger McGuinn denied that "Eight Miles High" was Raga Rock. Co-writer David Crosby also dismissed the term.
Although many listeners assumed that the lead instrument on these and other songs on The Byrds' Fifth Dimension album was a Sitar, McGuinn played a Rickenbacker 12-string electric guitar throughout, and had customised his guitar amplifier to achieve the Sitar-like sound.
In May 1966, The Rolling Stones issued the Raga Rock single "Paint It Black", which featured a Sitar part played by guitarist Brian Jones and became an international number 1 hit. The Beatles' forays in the subgenre continued with "Love You To", which Harrison wrote especially for Sitar and Tabla interplay, and "Tomorrow Never Knows"; both songs featured a heavy tambura drone and were released on the album Revolver in August 1966.
That same month, the Paul Butterfield Blues Band further elevated the concept of Indian-influenced rock music with the title track of their album East-West. Led by guitarist Mike Bloomfield, the 13-minute instrumental fully explored the modal improvisation introduced by McGuinn on "Eight Miles High".
During the height of the subgenre's popularity that year, Indian musicians also contributed to its development. Released on the World Pacific record label in June, the Folkswingers' Raga Rock album featured Harihar Rao, a Los Angeles-based Sitarist and ethnomusicologist, accompanied by Jazz musicians and members of the Wrecking Crew. A September 1966 issue of Life magazine reported on the growth of the Raga Rock trend in association with the proliferation of Psychedelic Rock themed shops in San Francisco and New York. Acts such as Donovan, the Moody Blues, Them, The Doors, the Pretty Things and Traffic also recorded in the Raga Rock style, as did the Hollies.
In his article for Crawdaddy!, Pearlman identified two categories of contemporary Raga Rock songs: those that merely adopted Indian sounds as an exotic feature, such as "Norwegian Wood", "Paint It Black" and Donovan's Sunshine Superman track "Three King Fishers"; and recordings that incorporated aspects of Indian music in their compositional form, such as "Eight Miles High" and Donovan's "The Trip". Davies' second Raga Rock song with The Kinks, "Fancy", from 1966's Face to Face album, again used chord changes minimally, but sufficient to keep the composition identifiable as Western pop. By contrast, Harrison adhered to the authentically Indian, single-chord form in "Love You To" and "Within You Without You", released on Sgt. Pepper's Lonely Hearts Club Band in June 1967, and both songs were arranged in a Hindustani classical structure, with distinct alap, gat and drut gat sections.
One of Crosby's final songs with The Byrds, "Mind Gardens", from the 1967 album Younger Than Yesterday, incorporated drone and Raga Rock ambience, including vocals that evoked the khyal tradition of Hindustani classical music.
Further examples of the subgenre in 1968 were The Rolling Stones' "Street Fighting Man", with its use of tambura and shehnai over distorted acoustic rhythm guitars, and Harrison's final Indian-style composition for The Beatles, "The Inner Light", which he recorded in January with Indian classical musicians in Bombay. These Bombay sessions also yielded Harrison's first solo album, a Raga Rock soundtrack to the 1968 film Wonderwall, titled Wonderwall Music. Music journalist Chris Ingham has noted Wonderwall Music's influence on the later Raga Rock sound of 1990s Indie band Kula Shaker. According to Bellman, the musical exploration evident in Raga Rock over 1965–67 was largely replaced by a formulaic approach in 1968. He cited the Moody Blues' July 1968 release In Search of the Lost Chord as a work that combined the now-familiar sounds of Sitar and Tabla with an album-wide concept that reinforced the perceived connection between LSD and Transcendental Meditation (TM), following The Beatles' and Donovan's public endorsement of TM guru Maharishi Mahesh Yogi.
In the early 1970s, the British Progressive Rock band Quintessence began to mix elements of Indian classical music with Rock and jazz. Later in the decade, guitarist John McLaughlin and his band Shakti introduced a Jazz-influenced version of Raga Rock over the course of three albums.
1990s and beyond
In the 1990s, the British Indie/Rock group Cornershop began to assimilate Asian instruments such as the Sitar and Dholki into their music, culminating with their 1997 album When I Was Born for the 7th Time.
The album, which fused Indian music with Rock, Funk, Hip Hop and Country music, featured the UK #1 single "Brimful of Asha" (itself a tribute to Indian singer Asha Bhosle) and a cover of The Beatles' "Norwegian Wood (This Bird Has Flown)" sung entirely in Punjabi.
In 1996, the British rock group Kula Shaker had Top 10 Raga Rock hits with "Tattva" and "Govinda", both of which included Sanskrit lyrics. The band continued to introduce Raga Rock material into their repertoire, including "Song of Love/Narayana", which lead singer Crispian Mills had also sung on The Prodigy's 1997 album, The Fat of the Land.
The Brian Jonestown Massacre released the albums Their Satanic Majesties' Second Request in 1996 and Give It Back! in 1997, both of which contained Indian and Psychedelic Rock influences.
Recently, a revival of sorts has been heralded by Western bands such as the Black Angels and the Brian Jonestown Massacre and Indian bands such as the Raghu Dixit Project, Agam and Swarathma, with an increasing blend of Western instruments with the traditional Indian ones-the flute and the Sitar.
Other western artists of this era to include Indian instruments would include - Asian Dub Foundation, Volcano Suns, Arcade Fire, Thievery Corporation, Crazyhead, Guns N' Roses, Spacemen 3, and others.
Lyrical themes and Orientalism
Some scholars approach Raga Rock and other uses of non-Western musical materials in Western popular music from sociological perspectives, especially as a manifestation of Orientalism. Common lyrical themes include drug use, sexual exploration, and spirituality.
"Eight Miles High" (The Byrds) was the subject of radio bans in the United States due to its interpretation as an LSD song in which "high" referred to drug-induced euphoria. "Love You To" reflected countercultural ideology and, according to music critic Kenneth Womack, advocated hedonistic and carnal pursuits, while John Lennon's lyrics in "Tomorrow Never Knows" were taken from the book The Psychedelic Experience: A Manual Based on the Tibetan Book of the Dead by Timothy Leary, Richard Alpert and Ralph Metzner.
Partly under Shankar's guidance, Harrison channelled the teachings of the Hindu Vedas into his lyrics for "Within You Without You", providing a message that also served as the ethos behind the 1967 Summer of Love. Bellman writes that "The Kinks' use of eastern musical influences to allude to personal and sexual matters is directly in keeping with historical uses of exoticism as signifier for forbidden sexuality." Bellman and other scholars suggest that, through Raga Rock, the Orient once again becomes a Western fantasy land, mediated to mass culture audiences of the mid and late twentieth century through Rock n Roll.
Here's some of the bands and musicians who have been associated with the genre, either by their own claims, or by their fanbase;-
The Moody Blues
Paul Butterfield Blues Band
The Pretty Things
Raghu Dixit Project