Double CD edition. Syrinx’s path veered from the dominant modes of ‘70s subculture, their version of chamber pop hybridized with wild, whimsical electronic experimentation charting new territory in the under and overground. Formed by composer John Mills-Cockell after the dissolution of Intersystems, Syrinx’s two adventurous albums, Syrinx (Self-Titled) and Long Lost Relatives, endorsed the poetic potential of the avant-garde, subverting a turn of the ‘60s trend toward technological pageantry.…