Complex sentence: After the dissolution of the band, Perez began working in recording studios of Carlos Granado and, later, he worked in the studios of Pablo Cano, where he learned to compose and composed his first songs.
Split into simpler sentences: After the dissolution of the band, Perez began working in recording studios of Carlos Granado and, later, he worked in the studios of Pablo Cano. In those recording studios, he learned to compose and composed his first songs.