Complex sentence: This concert was originally intended to be used for the King Biscuit broadcast, but imperfections in the recording made the entire show unsuitable for airing and forced the second taping in Long Beach one month later.
Split into simpler sentences: This concert was originally intended to be used for the King Biscuit broadcast. Tape imperfections made the entire show unsuitable for airing and forced the second taping in Long Beach one month later.