Symbol 5085 from IEC 60417 - Title/Meaning: Music Function/description: To identify the ""music"" position of the speech-music switch.
Additional information: 
Published in: First edition, 1973
Own work using: iso.org/obp/graphics/grs/39ee8aeb-1c19-4fae-bdd9-85107154212c 200.png
Vectorization:  Mrmw