Complex sentence: Baker originally approached organist Gaylord Carter, who had recorded the other organ tracks for the mansion, for this ballroom waltz, but Carter was taking too sensible an approach for Baker's tastes, so Baker took a transcription of Carter's improvisations to William Sabransky.
Split into simpler sentences: Baker originally approached organist Gaylord B. Carter, who had recorded the other organ tracks for the mansion, for this ballroom waltz. But Carter was taking too sensible an approach for Baker's tastes, so he took a transcription of Carter's improvisations to William Sabransky.