Bossa Nova, meaning 'New Trend,' emerged in the late 1950s in Rio de Janeiro, blending Brazilian Samba with American Cool Jazz. It was pioneered by João Gilberto, Antônio Carlos Jobim, and Vinícius de Moraes. Unlike the high-energy, percussive Samba, Bossa Nova is characterized by a relaxed, 'swaying' rhythm and complex, jazz-influenced harmonies. The core of the sound is Gilberto's 'violão gago' (stuttering guitar) style, which uses syncopated thumb patterns for the bass and complex chords for the fingers. Vocals are typically sung in a whisper-like, understated manner. The style gained international superstardom with the 1964 release of 'The Girl from Ipanema.' Bossa Nova replaced the traditional heavy drums of Samba with a soft, brushed snare or a subtle rimshot on the 'off-beat,' creating a sophisticated and intimate atmosphere that redefined Brazilian music for a global audience.