moe. have announced they will be going on an indefinite hiatus starting August 1, 2017, due to bassist Rob Derhak’s recent cancer diagnosis. The band announced both the diagnosis and hiatus in a note to fans on their website.Derhak writes that he was diagnosed with oropharyngeal cancer early last week. The disease affects the oropharynx, a specific part of the pharynx in the throat. The…