Complex sentence: The song is of average length, a bit over three minutes, and utilizes the harp as primary musical accompaniment--characteristic of several titles on Elton's second album, "Elton John"; for which this song was recorded, but set aside for Tumbleweed.
Split into simpler sentences: The song is of average length, a bit over three minutes. It utilizes the harp as primary musical accompaniment, characteristic of several titles on Elton's second album, "Elton John", for which this song was recorded but set aside for Tumbleweed.