"Mostly Autumn" are a British band, producing music heavily influenced by classic 1970s rock.

The group formed in 1995, and have built their reputation through constant touring, never signing to a major label. The group's early influences were Genesis, Renaissance and Pink Floyd, and folk music. Later albums also included more contemporary influences. Mostly Autumn's music can be described as powerful atmospheric rock with a Celtic edge.Their sound incorporates the uses of flute, low and penny whistles, violins and vocal harmonies - over a powerful band, existing of keyboards, two guitarists, bass and drums. Mostly Autumn were voted Best Band of 2012 in the Classic Rock Society poll.