Complex sentence: She commented that the music on the album will be partly inspired by Kundalini yoga, which she had taken up while pregnant in 1991/1992 and of which she had qualified as a teacher since becoming sober in 2005.
Split into simpler sentences: She commented that the music on the album will be partly inspired by Kundalini Yoga. Belinda began doing Yoga while pregnant in 1991/1992 and has qualified as a teacher of the practice since becoming sober in 2005.