Related Clues:

• Musical notes
• ___ Piedras, P.R.
• Scale notes
• In ___ land (spacy)
• Vegas opening
• Syllables meaning 'I forgot the words'
• Chorus syllables
• Musical syllables
• Spanish article
• Some mindless singing
• ___ Cruces, N.M.
• Fa follower
• Vegas opener
• See 4-Down
• Singer's refrain