Complex sentence: Popularity in Sweden, however, put pressure on Hansson to tour, and a hastily put-together touring band was assembled, however, the tour was cancelled by the reclusive keyboard player, citing a lack of motivation.
Split into simpler sentences: Popularity in Sweden, however, put pressure on Hansson to tour, and a touring band was hastily assembled. The tour was cancelled by the reclusive keyboard player, however, citing a lack of motivation.