1. He might be inviting his Jefferson Airplane bandmates Grace Slick, Paul Kantner, and Jorma Kaukonen to his 70th birthday on January 30.: Marty Balin
2. This Temptation who turns 70 on February 3 sang on such 70s hits as "Cloud 9" and "Papa Was A Rolling Stone.": Dennis Edwards
3. If you know what a sweeper is, have ever shopped at the Giant Eagle, or have ever waved a Terrible Towel, you probably know the name of this "Ah! Leah!" singer turning 70 on February 28.: Donnie Iris
4. This "Turn Your Love Around" singer will probably sing along with "Happy Birthday" as he plays it on guitar on his 70th birthday, March 2.: George Benson
5. Love has kept her marriage together since the 1970s, and certainly the Captain will throw her a big bash on her 70th birthday, May 8.: Toni Tennille
6. If you go to this Cream bassist's 70th birthday party on May 14, you might get served some "Strange Brew.": Jack Bruce
7. Looks like he'll make it to age 70 on June 17; will he celebrate with Lola at the Copacabana?: Barry Manilow
8. July 12 is the Perfect day for this Fleetwood Mac singer/keyboardist to celebrate her 70th birthday.: Christine McVie
9. Julie, Julie, Julie, do you believe this late 60s-early 70s teen idol will be 70 years old on July 22?: Bobby Sherman
10. This British knight will probably spend his 70th birthday on July 26 singing on tour with his band, and from that he should get some satisfaction.: Mick Jagger
11. If this Pink Floyd bassist, singer, and songwriter doesn't eat his meat on his 70th birthday, September 6, he can't have any birthday cake. How can he have any birthday cake if he doesn't eat his meat?: Roger Waters
12. The only Jewish member of the Grateful Dead will probably be trying to coax some percussion sounds from his 70th birthday cake on September 11: Mickey Hart
13. His son Enrique will probably wish this Spanish singer "Feliz cumpleaños" on his 70th birthday, September 23.: Julio Iglesias
14. Guess Who will be "Takin' Care of Business" as he turns 70 on September 27.: Randy Bachman
15. "Take The Money and Run" to buy this blues-rock musician a birthday present for his 70th on October 5.: Steve Miller
16. "Help Me" remember the name of the Canadian-born jazz/folk singer/songwriter who turns 70 on November 7.: Joni Mitchell
17. This singer and songwriter probably won't have any "Short People" at his 70th birthday celebration on November 28.: Randy Newman

Bonus: Two people associated with same band both turn 70 on December 18. One is a legendary British guitarist; the other is an American who plays saxophone on some of that guitarists' band's biggest songs. Who are they? Keith Richards and Bobby Keys, of the Rolling Stones