Complex sentence: He also mentioned in a myspace blog that the band has their tour banner and equipment set up in a basement and they rehearse occasionally, although the band is generally assumed by fans to be on indefinite hiatus.
Split into simpler sentences: He also mentioned in a Myspace blog that the band has their tour banner and equipment set up in a basement, and that they rehearse on occasion. The band is generally assumed by fans to be on indefinite hiatus.