Martin Kierszenbaum (known by his pseudonym of Cherry Cherry Boom Boom, Kirschbaum being German for cherry tree) is head of A&R at Interscope Records and president of Interscope's subsidiary imprint Cherrytree Records.[1] He is a songwriter and producer as well as A&R for Lady Gaga, Sting, Keane, Tokio Hotel, Feist, Far East Movement and Natalia Kills. He has co-written songs for Lady Gaga, t.A.T.u, Flipsyde, Tokio Hotel, Ai, Frankmusik, Alexandra Burke and Colby O'Donis.


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