In The Purest Form / Massterpiece

Tracks 1-1 to 1-8 originally released as LP "In The Purest Form" in 1979 [Cotillion ‎SD 5211]. Track 1-9 originally released as single A-side in 1979 [Cotillion ‎44254]. Track 1-10 originally released as single A-side in 1979 [Cotillion ‎45006]. Track 1-11 originally released as single B-side of "Can't You See I'm Fired Up" in 1979 [Cotillion ‎44248]. Track 1-12 and 1-13 originally released as 12" single version A and B-side in 1979 [Cotillion ‎DSKO 154]. Track 1-14 originally released as 12" si...