Complex sentence: Marillion's Mark Kelly used a CX-3 for live performance and recording in the early 1980s, although he wanted a Hammond C-3 organ, it was impractical for touring.
Split into simpler sentences: Marillion's Mark Kelly used a CX-3 for live performances and recording in the early 1980s. Although he wanted a Hammond C-3 organ, it was impractical for touring.