Chris Hawkins

6 Music, 6am As part of Mental Health Awareness Week, the DJ (right) is highlighting the way sound can affect our moods with a specially curated track from multi-instrumentalist

Erland Cooper, which will feature Sounds Of Change recordings from BBC Radio 6 Music listeners.

In Butch (Radio 4, 11.30am) poet and theatre-maker Joelle Taylor celebrates butch identity, asking why it is seen as both old-fashioned and more radical than ever.

Bridget Kendall discusses Goethe’s Theory Of Colours in The Forum

(BBC Word Service, 10am), looking at how it influenced artists despite being scientifically flawed.