50 Cent - Baby by Me (feat. Ne-Yo)

"Baby By Me" is the first official single by US rapper 50 Cent from his fourth album, Before I Self Destruct, released on September 10, 2009. The song was written by 50 Cent and Ne-Yo, who is also featured in the song. The music video for the song also features Kelly Rowland as 50 Cent's love interest.

Kanye West - Welcome to Heartbreak (feat. Kid Cudi)

"Welcome to Heartbreak" is a song by American hip-hop artist Kanye West. The song serves as the introductory track within his fourth studio album, 808s & Heartbreak and features Kid Cudi. Despite not being released as a single at that time, the song managed to enter the pop charts. So far no new release date has been announced for the song.