Female vocal at the beginning of the Delerium's Run For It (2003 yeat) also exists in track Te Quiero Puta (2005 year) by Rammstein, also in the beginning.
Main musical theme of The Police's Every Breath You Take (2000 year) and Puff Daddy's I'll Be Missing You (2004 year).
Been Around The World (Feat. The Notorious B.I.G. & Mase) by Puff Daddy is very similar to David Bowie's Let's Dance
SW's Sweet Lullabies has lounge tribute moments to Lullaby by The Cure
It's quite obvious that Eminem's Like Toy Soldiers is derived from Martika's Toy Soldiers, even through titles.
Arvo Pärt's - Cantus in Memory of Benjamin Britten is used in background of Дмитрий Гайдук's - Сказка про мышу from 3:50 till 5:24.