Complex sentence: Pearlman's and Steve Schenk's managerial efforts were rewarded when Blue Öyster Cult were hired for some gigs in Greece in July 1987, and after a nine-month layoff the band returned to activity and Allen Lanier re-joined.
Split into simpler sentences: Pearlman's and Steve Schenk's managerial efforts were rewarded when Blue Öyster Cult were hired for some gigs in Greece in July 1987. After a nine-month layoff, the band returned to activity and Allen Lanier re-joined.