Among the most important changes in the 1966-1969 period were the shifts of focus n rock music from the single to the album, and from dancing to listening music. Many artists were fixated on creating albums that provided a musically provocative listening experience. Instrument virtuosity became especially valued in this era. Blues-based rock music coming out of britain in the 1970s was an important extension of earlier blues-influenced rock. The stones enjoyed tremendous commercial success during this period by returning to their blues roots. The stones were brought out of the beatles" shadow. Led zeppelin: blues, folk, and psychedelia take the next step. Led zeppelin was among the most successful new british groups of the 1970s. They used a blend of acoustic, blues, and psychedelic elements as evident in stairway to. Led zeppelin"s lyrics often focus on sexual themes as well.