Task: Question Answering
Input (English): Passage: In 1980, Zappa cut his ties with record distributor Phonogram after the label refused to release his song "I Don't Wanna Get Drafted". It was picked up by CBS Records and released on the Zappa label in the United States and Canada, and by the CBS label internationally.After spending much of 1980 on the road, Zappa released Tinsel Town Rebellion in 1981. It was the first release on his own Barking Pumpkin Records, and it contains songs taken from a 1979 tour, one studio track and material from the 1980 tours. The album is a mixture of complicated instrumentals and Zappa's use of sprechstimme (speaking song or voice)—a compositional technique utilized by such composers as Arnold Schoenberg and Alban Berg—showcasing some of the most accomplished bands Zappa ever had (mostly featuring drummer Vinnie Colaiuta). While some lyrics still raised controversy among critics, some of whom found them sexist, the political and sociological satire in songs like the title track and "The Blue Light" have been described as a "hilarious critique of the willingness of the American people to believe anything". The album is also notable for the presence of guitarist Steve Vai, who joined Zappa's touring band in late 1980.The same year the double album You Are What You Is was released. Most of it was recorded in Zappa's brand new Utility Muffin Research Kitchen (UMRK) studios, which were located at his house, thereby giving him complete freedom in his work. The album included one complex instrumental, "Theme from the 3rd Movement of Sinister Footwear", but mainly consisted of rock songs with Zappa's sardonic social commentary—satirical lyrics directed at teenagers, the media, and religious and political hypocrisy. "Dumb All Over" is a tirade on religion, as is "Heavenly Bank Account", wherein Zappa rails against TV evangelists such as Jerry Falwell and Pat Robertson for their purported influence on the U.S. administration as well as their use of religion as a means of raising money. Songs like "Society Pages" and "I'm a Beautiful Guy" show Zappa's dismay with the Reagan era and its "obscene pursuit of wealth and happiness".
In 1981, Zappa also released three instrumental albums, Shut Up 'n Play Yer Guitar, Shut Up 'N Play Yer Guitar Some More, and The Return of the Son of Shut Up 'N Play Yer Guitar, which were initially sold via mail order, but later released through the CBS label due to popular demand.The albums focus exclusively on Frank Zappa as a guitar soloist, and the tracks are predominantly live recordings from 1979 to 1980; they highlight Zappa's improvisational skills with "beautiful performances from the backing group as well". Another guitar-only album, Guitar, was released in 1988, and a third, Trance-Fusion, which Zappa completed shortly before his death, was released in 2006. 
Question: What is the first name of the person whose touring band Steve Vai joined in the late 1980?
Output (English): Frank.