Possible Clues:

• An iron when it's in the same place for too long on a very hot day
• Day in a heat wave
• Choir regularly interrupts self-catering woman�s baking day
• Brand, perhaps, that's something remarkable
• Marker ringing child's fine example . . .
• Hot day, for example, really fine
• Singer of 'Very Hot Day'
• One getting drugs, including cocaine and heroin burner
• Check into person who orchestrates Lulu
• My hesitation about central heating after second day it isn't needed!