"돈 돈! (Don't Don)", literally translated to "Money, Money! (Don't Don)", is an R&B/rock song (specifically SMP) written by Yoo Young Jin and Groovie K for the Korean boy band Super Junior, which was released in their second album, Don't Don on September 20, 2007. On September 21, 2007, the group made their first performance on KBS's Music Bank, performing "Don't Don". The song debuted in most South Korean music charts and enjoyed success as part of the top 20 for weeks.

"Don't Don" is the first track on Don't Don, a song with the music combination of rock, heavy beat, R&B, rap, and dance-pop. The song debuted in the top 20 on most South Korean music charts on the second week of October. Composed, arranged and written by Yoo Young Jin, the song is a type of SMP (SM Music Performance), with the combination of heavy guitar riffs, percussion patterns, and an electronic violin solo. The song features various raps and also a solo violin performance, performed by a Canadian-Chinese SM Entertainment trainee, Henry Lau, who is now a member of Super Junior-M.

"Don't Don", pronounced as don don in Korean, is a play on the words "don", (Korean: 돈), which means money, and "donda", (Korean: 돈다), which means "to go insane". The lyrics speak about how money, hypocrisy, and the change of society has made the world into a twisted and greedy place to live. The lyrics urge listeners to transform the world into a place where the innocence of children can be preserved.

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