MISSING LINK CCIV

Each trio of words below shares a Missing Link - that is, its members have something in common, obvious or not. For example, RIVERS, NOSES, & VIOLINS can all have BRIDGES.

1. Tie..........Bean..........Theory
2. Stunt..........Body..........Seeing
3. Sky..........Skin..........Swan
4. Mayor..........Florida..........Piano
5. Honor..........Drum..........California
6. Rat..........Horse..........Human
7. Assembly..........Motors..........Electric
8. Nap..........Saw..........Bar
9. All..........Sea..........Gold
10. Judge..........Athlete..........Pianist

Answers:

1. String
2. Double
3. Dive
4. They all have keys.*
5. Roll
6. Race
7. General
8. Power
9. Star
10. All may be found on a bench.

*Mayor has the (ceremonial) key to the city. 

Credit #10: Bruce Haight