Complex sentence: He received a broad classical piano instruction from 1965 to 1981 and with the time he gained experience and developed his talent through hundreds of live appearances and by writing vocal and instrumental parts for Top-40 bands.
Split into simpler sentences: He received a broad classical piano instruction from 1965 to 1981. With the time he gained experience and developed his talent through hundreds of live appearances and by writing vocal and instrumental parts for Top-40 bands.