Complex sentence: The group remained closely tied to their roots in gospel music, containing at least one piece of gospel music on the majority of each record, producing several albums exclusively containing gospel music, and recording a tribute song to the Blackwood Brothers, who influenced their music.
Split into simpler sentences: The group remained closely tied to their roots in gospel music, with a majority of their records containing at least one gospel song. They produced several albums containing only gospel music, and recorded a tribute song to the Blackwood Brothers, who influenced their music.