The answer to the riddle 'what do monsters do every night at 10:30?' is 'take a coffin break.' Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
If this is treble clef, or the clef sign that looks like a backwards cursive 'S', the note is a G. If it's bass clef, the clef that looks like half a heart with two dots, the note is B.
