Complex sentence: During his lifetime he released three audio cassettes and two CDs. Most his songs were solos, and children's songs; it is said that Caldera often sang for his own children and grandchildren.
Split into simpler sentences: During his lifetime he released three audio cassettes and two CDs. Most of the songs that he sang were solos. Most of his songs are children's songs; it is said that Caldera often sang for his own children and grandchildren.