‘The most Mark E Smith thing ever’: the post-punk band whose members have learning disabilities

Improvisation is speciality of Leeds outfit Ultimate Thunder, whose debut album is released next month

The best live bands are the most unpredictable, with every performance teetering between triumph and disaster. But even the most chaotic acts usually have some sort of set list.

Not Ultimate Thunder. This seven-piece post-punk outfit from Leeds amble on stage without even the vaguest running order, nor any confidence that their vocalist, Matthew Watson, will actually sing a note.