Complex sentence: At age fifteen, he recorded his debut album "In My High School" on Giantslayer Records, an independent record label; the album was re-issued in 2005 as "Off to Join the World" by BNA Records.
Split into simpler sentences: At age fifteen, he recorded his debut album "In My High School" on Giantslayer Records, an independent record label. The album was re-issued in 2005 as "Off to Join the World" by BNA Records.