Possible Clues:

• '___ put our heads together ...'
• Merle Haggard "___ Make It Through December"
• Rod Stewart album "___ Fall in Love Tonight"
• Diana Ross "___ Hold on Together"
• '___ Must Die' (Claude McKay poem)
• '___ Never Meet Again' (Elvis song)
• '___ shadows have offended...' (start of Puck's final speech)
• "__ Only Have Love": Jacques Brel song
• "We can dance ___ want to" ("The Safety Dance" line)
• '___ Try' (Don McLean song)