Grammy Nominations concert 2013 live stream: How to watch online [CBS start time, performance lineup]

Singer Katy Perry makes an appearance on MTV's "Total Request Live" on Monday, June 9, 2008 in New York. The program is scheduled to air on Thursday.AP Photo/Evan Agostini

The Grammy Nominations Concert Live!! – Countdown to Music's Biggest Night" will take place tonight from the Nokia Theater in Los Angeles.

The concert will be airing on CBS at 10p.m. ET. If you miss the concert, be sure to watch online on the CBS website.

The concert will feature performances from Lorde, Katy Perry, Taylor Swift, and more. However, some performances will not be held from the actual theater itself, as Katy Perry will be performing from Canada, and Swift from Taylor Australia.

Rapper Drake had been booked to perform, but the singer pulled out at the last minute due to scheduling conflicts.

Other performers include Earth, Wind & Fire, T.I. and Robin Thicke, Miguel, Keith Urban, and Macklemore & Ryan Lewis.

The concert will be hosted by rapper LL Cool J.

A representative for Drake told TMZ: "Unfortunately, due to scheduling complications, Drake will no longer be performing ..[he's] currently in the middle of his nationwide 'Would You Like A Tour?' and sincerely apologizes to his fans that he can't be there."

Grammy nominations will be announced live in several categories tonight.

This is the sixth time that nominations for the prestigious Grammy Awards will be announced live on television.

The 56th annual Grammy Awards will air live from the STAPLES center in Los Angeles on Sunday, Jan. 26, 2015 at 8pm ET on CBS.