Question: Stephen Ray Vaughan (October 3, 1954 - August 27, 1990) was an American musician, singer, songwriter, and record producer. In spite of a short-lived mainstream career spanning seven years, he was one of the most influential guitarists in the revival of blues in the 1980s. AllMusic describes him as "a rocking powerhouse of a guitarist who gave blues a burst of momentum in the '80s, with influence still felt long after his tragic death." Born and raised in Dallas, Texas, Vaughan began playing guitar at the age of seven, inspired by his older brother Jimmie.

In September 1970, Vaughan made his first studio recordings with the band Cast of Thousands, which included future actor Stephen Tobolowsky. They recorded two songs, "Red, White and Blue" and "I Heard a Voice Last Night", for a compilation album, A New Hi, that featured various teenage bands from Dallas. In late January 1971, feeling confined by playing pop hits with Liberation, Vaughan formed his own band, Blackbird. After growing tired of the Dallas music scene, he dropped out of school and moved with the band to Austin, Texas, which had more liberal and tolerant audiences. There, Vaughan initially took residence at the Rolling Hills Country Club, a venue that would later become the Soap Creek Saloon. Blackbird played at several clubs in Austin and opened shows for bands such as Sugarloaf, Wishbone Ash, and Zephyr, but could not maintain a consistent lineup. In early December 1972, Vaughan left Blackbird and joined a rock band named Krackerjack; he performed with them for less than three months. In March 1973, Vaughan joined Marc Benno's band, the Nightcrawlers, after meeting Benno at a jam session years before. The band featured vocalist Doyle Bramhall, who met Vaughan when he was twelve years old. The next month, the Nightcrawlers recorded an album at Sunset Sound Recorders in Hollywood for A&M Records. While the album was rejected by A&M, it included Vaughan's first songwriting efforts, "Dirty Pool" and "Crawlin'". Soon afterward, he and the Nightcrawlers traveled back to Austin without Benno. In mid-1973, they signed a contract with Bill Ham, manager for ZZ Top, and played various gigs across the South, though many of them were disastrous. Ham left the band stranded in Mississippi without any way to make it back home and demanded reimbursement from Vaughan for equipment expenses; Ham was never reimbursed. In 1975, Vaughan joined a six-piece band called Paul Ray and the Cobras that included guitarist Denny Freeman and saxophonist Joe Sublett. For the next two-and-a-half years, he earned a living performing weekly at a popular venue in town, the Soap Creek Saloon, and ultimately the newly opened Antone's, widely known as Austin's "home of the blues". In late 1976, Vaughan recorded a single with them, "Other Days" as the A-side and "Texas Clover" as the B-side. Playing guitar on both tracks, the single was released on February 7, 1977. In March, readers of the Austin Sun voted them as Band of the Year. In addition to playing with the Cobras, Vaughan jammed with many of his influences at Antone's, including Buddy Guy, Hubert Sumlin, Jimmy Rogers, Lightnin' Hopkins, and Albert King. Vaughan toured with the Cobras during much of 1977, but near the end of September, after they decided to strive for a mainstream musical direction, he left the band and formed Triple Threat Revue, which included singer Lou Ann Barton, bassist W. C. Clark, and drummer Fredde Pharaoh. In January 1978, they recorded four songs in Austin, including Vaughan's composition "I'm Cryin'". The thirty-minute audio recording marks the only known studio recording of the band.

Using a quote from the above article, answer the following question: Did SRV tour with ZZ Top?
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Answer: played various gigs across the South,

Problem: Michael "Jakko" Jakszyk (born Michael Lee Curran, 8 June 1958) is an English musician, record producer, and actor. He has released several solo albums as a singer, songwriter, and multi-instrumentalist and has been the lead singer for King Crimson since 2013. His work has been variously credited to "Jakko", "Jakko Jakszyk", and "Jakko M. Jakszyk". Before joining King Crimson, he led bands for over thirty years, including 64 Spoons, Dizrhythmia, 21st Century Schizoid Band, Jakszyk Fripp Collins, and Rapid Eye Movement.

By 1975, Jakszyk was leading an eccentric jazz-rock band called Soon After. His self-confessed "dictatorial tendencies" reduced a bigger line-up to a trio of "two screaming lead guitars and a trumpet" (the latter played by ex-National Youth Jazz Orchestra member Ted Emmett). The band reached the finals of the 1975 Melody Maker National Rock/Folk competition, finishing third to a heavy metal band featuring future Clash co-leader Mick Jones and to a big band featuring future saxophone session musician Gary Barnacle. When Soon After split up, Jakszyk toured with "a strange little band" which supported Camel, Stackridge, and Judas Priest, then briefly joined a Tring-based band called Synthesis which played progressive rock in the Canterbury-scene vein. Jakszyk's first significant band was 64 Spoons, which he joined as guitarist and lead singer in 1976, co-writing much of the band's material. Between 1976 and 1980, 64 Spoons wrote and performed a blend of pop, progressive rock, jazz, and comedy (typified by their single "Ladies Don't Have Willies"). Boosted by an exuberant and funny live show, 64 Spoons proved popular with audiences but failed to gain an effective record deal or media breakthrough and split up in 1980. Their only album, Landing on a Rat Column, was eventually released in 1992, many years after it was recorded. Jakszyk would described them as "the wrong band at the wrong time". 64 Spoons's work did, however, lead to friendships with several of the musicians who had inspired the band, notably keyboard player Dave Stewart. Following the split of 64 Spoons, Jakszyk joined Stewart, Rick Biddulph, and Pip Pyle in the band Rapid Eye Movement. Jakszyk contributed several songs to the band's repertoire ("One More Time", "I'll Stand On My Own", "Ingmar Bergman on the Window Sill", "Straining Our Eyes", and "Dear Clare", the last of these a 64 Spoons song) and co-wrote material with Stewart ("This Is Not What I Want" and "'Allo Darlin' I Work on the Fair"). Between August 1980 and June 1981, Rapid Eye Movement toured Spain, France, and the UK and recorded material but split up due to Stewart's desire to concentrate on studio work (Jakszyk sang on the original version of Stewart's cover of "What Becomes of the Brokenhearted?", later a hit with a new vocal track by the Zombies' lead singer Colin Blunstone). During this period, Jakszyk also contributed to sessions for the former Van der Graaf Generator saxophonist David Jackson's album The Long Hello Vol. 3 (eventually released in 1982).

What studio work did he concentrate on?

Answer with quotes:
Jakszyk sang on the original version of Stewart's cover of "What Becomes of the Brokenhearted?",