Complex sentence: However his most lucrative period came when included in the early 2000s in the band The Underdpg Project with big hits like "Summer Jam", "Saturday Night", "Girls of Summer".
Split into simpler sentences: However his most lucrative period came when included in the early 2000s in the band The Underdpg Project. It enjoyed big hits like "Summer Jam", "Saturday Night", "Girls of Summer".