Beatboxing

Beatboxing is a form of vocal percussion connected with hip hop culture although it is not limited to hip hop music.^[1][2] It primarily involves the art of producing drum beats, rhythm, and musical sounds using one's mouth, lips, tongue, voice, and more. It may also involve singing, vocal imitation of turntablism, the simulation of horns, strings, and other musical instruments.

Here are two over-the-top videos of beatboxing