"Scream & Shout" is a dance-pop song by American musician will.i.am (William Adams), featuring vocals from American singer Britney Spears. The song was released in 2012 and was a part of will.i.am's album "#willpower." Here's what you should know about the song:

Genre and Style: "Scream & Shout" is primarily classified as a dance-pop and electronic dance music (EDM) track. It features a catchy electronic beat, synthesizers, and a repetitive and infectious chorus.

Lyrics and Theme: The song's lyrics revolve around partying, dancing, and having a good time. The repetitive refrain "Scream and shout and let it all out" encourages listeners to let loose and enjoy themselves on the dance floor.

Collaboration: The collaboration between will.i.am and Britney Spears brought together their distinct musical styles. will.i.am is known for his work in hip-hop, pop, and electronic music, while Britney Spears is a pop icon with a successful career in the music industry.

Music Video: The music video for "Scream & Shout" features futuristic and minimalistic visuals, with both will.i.am and Britney Spears making appearances in various stylish outfits. The video includes scenes of dancing, fashion, and dramatic lighting effects.

Remixes: "Scream & Shout" received various remixes and versions, including a remix featuring additional verses from artists like Lil Wayne, Diddy, Hit-Boy, and Waka Flocka Flame. These remixes contributed to the song's popularity in different music scenes.

Commercial Success: The song was a commercial success, reaching high positions on music charts in multiple countries. It became a dance club favorite and received significant airplay on radio stations.

Cultural Impact: "Scream & Shout" was embraced by pop and dance music enthusiasts, and its catchy chorus and danceable beat made it a staple at parties, clubs, and events. It also gained attention through its use in various media, including advertisements and television shows.

Criticism and Controversy: While the song achieved popularity, some critics noted that the repetitive nature of the lyrics and the heavy use of autotune on Britney Spears' vocals led to mixed reviews.

"Scream & Shout" showcases will.i.am's production skills and Britney Spears' distinctive vocals, resulting in a pop-dance anthem that's designed to get listeners moving on the dance floor. It remains one of the notable collaborations between these two artists and a memorable track from that period of pop music.