Only a small part of their music was progressive rock.

Then he spent two years with the progressive rock group Autumn.

Thus, this piece can be considered an early example of progressive rock.

The three men had earlier played together in a progressive rock group called Sight.

It is also one of the first progressive rock songs.

Hey, maybe this whole progressive rock thing has always been cool!

It is a heavy and dark number with a strong progressive rock influence.

Progressive rock experienced a high degree of commercial success during the early 1970s.

That is why many progressive rock songs are not played on the radio very often.

The album as a whole was a return to progressive rock for the band.

Rod nodded, and off they went after the progressive rock.

He is the front man of the instrumental progressive rock band 4Front.

The band started playing blues but later changed to progressive rock.

It has been described as progressive rock and heavy pop.

They also blend into their music elements of progressive rock.

By the late 1960s, the press had begun to label their music progressive rock.

It is the band's first album with a true progressive rock sound.

In the early 1970s, Israel had a burgeoning progressive rock scene.

Their music also had some progressive rock and classical influences.

In the early 1990s, an Armenian progressive rock scene developed.

The concert was considered a major breakthrough for progressive rock music.

Back in the 1970's the lyrics were progressive rock's most embarrassing part.

The station focused on the 18-34 year old demographic by playing English progressive rock music.

The music of the album is commonplace in early 70's progressive rock.

The band also reunited to play live in progressive rock events.