Earth Opera was an American psychedelic rock group, active between 1967 and 1969 and featuring Peter Rowan and David Grisman. The band was associated with the "Bosstown Sound". == History == Both Rowan and Grisman were virtuoso folk and bluegrass performers in Boston, Massachusetts, United States, clubs, who became caught up in the changes in the music scene in the mid-1960s. They formed Earth Opera in 1967 in Boston, and were joined by John Nagy on bass, Paul Dillon on... [more on Wikipedia]