Complex sentence: Just before the release, staff at Candlelight got wind of another band releasing a debut the same year under the name Transcendence and notified the band, who swiftly changed their name to Elegeion, which was previously considered at the band's inception.
Split into simpler sentences: Just before the release, staff at Candlelight got wind of another band releasing a debut the same year under the name Transcendence. They notified the band, who immediately changed their name to Elegeion, which was previously considered at the band's inception.