After vacuuming for a few minutes, I get into 'the zone'. My mind wanders and often I'll catch myself singing out loud to a tune in my head as I work, usually something bizarre or relatively obscure. (This week it was a seamless medley of 'Nijinsky Hind' by Tyrannosaurus Rex and 'Surreal Estate' by Be-Bop Deluxe.) Sometimes I don't even realise I'm doing it - until it's mentioned later, during my debriefing.
Here's the late great Jackie Mittoo, fronting Sound Dimension, with a cracking 1969 Coxsone Dodd produced instrumental, 'Clean Up'.