Complex sentence: No record company was interested the material, and it was finally released in 1978 as "Pure Gabby" (Hula 567) as a two-record set: one of music, and the other an interview conducted by Guard.
Split into simpler sentences: No record company was interested the material, however, and it was not released until 1978. The final package was "Pure Gabby" (Hula 567), a two-record set, one LP consisting of the music and the second of an interview conducted by Guard.