Can you help me figure out this song please?!?!

i heard a song this morning on the american top 40 w/ ryan seacrest, that i really liked but nvr found out the name of it!. it wasnt being ranked in the top 40, it was just an extra song that they played!.!. it was around the 38th-39th song if that helps any!.
it was something about get lost in the music, but i cant remember any of the exact lines!. its also a rap song!.
does anyone know what song this was!?
thanks!;DWww@Enter-QA@Com

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