The B2wins (short for "Brazilian Twins") is a musical duo composed of twin brothers Walter and Wagner Caldas. They are known for their energetic live performances and unique blend of music genres, incorporating rock, pop, funk, and classical elements. Originally from Brazil, the B2wins have gained recognition for their captivating stage presence and ability to engage audiences with their dynamic performances. They often incorporate their skills as multi-instrumentalists, playing violin, guitar, and drums, among other instruments. The B2wins' shows are characterized by high audience interaction, encouraging participation, and creating a lively and entertaining atmosphere.