Complex sentence: Several attempts have been made, for a variety of reasons, to append further music to Holst's suite, though by far the most common presentation of the music in the concert hall and on record remains Holst's original seven-movement version.
Split into simpler sentences: Several attempts have been made, for a variety of reasons, to append further music to Holst's suite. However by far the most common presentation of the music in the concert hall and on record remains Holst's original seven-movement version.