A trill, generally three very fast notes on repique/caixa, two or three for surdos Common break specific to Samba Reggae 1 Samba Reggae 1 Samba Reggae 1 Samba Reggae 1 Examples Video Tutorials Michael de Miranda Score (Or PDF. BSD: Back surdos (L for low, H for high R/L Accented note (right/left.