who composed the aforesaid song?
Justin Timberlake
What Goes Around... Comes Around
"What Goes Around.../...Comes Around (Interlude)" is a song recorded by American singer and songwriter Justin Timberlake 
who is the girl in justin timberlake what goes around comes around Scarlett Johansson who is she? She is an American actress and singer where is she from? New York City
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What Goes Around... Comes Around [SEP] Introduction
"What Goes Around.../...Comes Around (Interlude)" is a song recorded by American singer and songwriter Justin Timberlake for his second studio album, "FutureSex/LoveSounds" (2006). It was written and produced by Timberlake, Timbaland, and Danja. The song was said by Timberlake to be about betrayal and forgiveness, and was described by some music critics as a "sequel" to his 2002 single "Cry Me a River". The song received generally positive reviews from music critics. The song was retitled "What Goes Around... Comes Around" for its December 19, 2006, release as the third single from "FutureSex/LoveSounds". It became Timberlake's third consecutive number-one hit on the "Billboard" Hot 100.