He was the lead singer of Time, a 1970s progressive rock band.
He was the original guitarist of the progressive rock band Yes.
The Buoys was a progressive rock band from the early 1970s.
"Changes" is a song by the progressive rock band Yes, from their 1983 album, 90125.
It has been called "the sound of the modern, progressive big band at its pinnacle."
They are one of the most popular and commercially successful progressive rock bands.
Triana, progressive rock band from the 1970s and early 1980s.
Dial is a progressive rock band based in the Netherlands.
He was asked about a progressive rock band he played in.
To me, System of a Down isn't a progressive band.