1. "I'm not the man they think I am at home, no no no no, I'm a XX" (Elton John)": Rocket Man
2. "Billy Mack is a X down in Texas" (Steve Miller Band): Detective
3. "X, X, gimme the news, I got a bad case of loving you" (Robert Palmer): Doctor, Doctor
4. "Sky X, how high can you fly" (Animals): Pilot
5. "So we crashed the gate doin' 98, sayin' 'Let them X roll, 10-4'" (C.W. McCall): Truckers
6. "X X man, they have given you a number, and taken away your name" (Johnny Rivers): Secret Agent
7. "X boy, oh my little X boy" (The Shirelles): Soldier
8. "But when I kissed a X down on 34th and Pine, he took my little bottle of Love Potion Number 9"(The Clovers/The Searchers): Cop
9. "Sergeant O'Leary is walking the beat, at night he becomes a X" (Billy Joel): Bartender
10. "All my memories gather round her, X's lady, stranger to blue water" (John Denver): Miner
11. "Tell the X we're surfin', surfin' U.S.A." (Beach Boys): Teacher
12. "I, I, I, wanna be a X, I, I, I wanna guard your life" (Blotto): Lifeguard
13. "If I was the X, and the Congress called my name" (Paul Simon): President
14. "She's a X's daughter, uh huh, come on down to my boat baby" (Every Mother's Son): Fisherman
15. "Let's walk to the X, and we'll say I Do" (Elvis Presley): Preacher
16."A X is caught with 24 kilos, he's out of jail and out on bail and that's the way it goes (Grandmaster & Melle Mel): Businessman
17. "Walks in the classroom, cool and slow, who calls the XX 'Daddy-O'?" (Coasters): English Teacher

Bonus: What are the four occupations named in the lyrics of the Beatles' "Penny Lane?": Barber, Banker, Fireman, Nurse