Related Clues:
- Indication of a speaker's emotion
- Voicemail cue
- Color wheel choice
- Answering machine beep
- "At the ___, leave a message"
- Work out at the gym
- Voice-lesson topic
- Word after earth or muscle
- Attitude giveaway
- Word with skin or ring
- Tuning fork's production
- Text alert, often
- Paint swatch selection
- Get fit, with 'up'
- 30 Across quality