Complex sentence: Pet Shop Boys attempted to organise and perform in a planned 2001 tour of out gay musicians, titled "Wotapalava", but the plans were later put on hold and the idea seems to have been discarded.
Split into simpler sentences: Pet Shop Boys attempted to organise and perform in a planned 2001 tour of out gay musicians, titled "Wotapalava". However, the plans were later put on hold and the idea seems to have been discarded.