Complex sentence: Their first album, "Little Green Bag" (1970), produced an immediate worldwide hit: their debut single, "Little Green Bag" reached No.16 on the Cash Box magazine chart and No.21 on the Billboard Top 100 in the United States.
Split into simpler sentences: Their first album, "Little Green Bag" (1970), gave them their first hit. Their debut single, "Little Green Bag" reached No.16 on the Cash Box magazine chart and No.21 on the Billboard Top 100 in the United States.