Ganza are metal shaker that gives a cricket sound in the background. Ganza are metal tube that containing beans, rice or gravel.
Apito is a whistle which has three different pitches. Their pitch can be change by pressing the holes and you can play a tune with the apito. The apito is use for calling and leading. There are usually wooden apito but we often use the plastic ones because they are louder so the rest of the band could hear the leader.
Repinique or repique is a metal-shelled drum, which are tuned into a high pitched and are usually the loudest part of the drums. Their name comes from a verb that means ‘to call’ so it is the calling drum.
There are two ways of playing it:
1. Rio batucada – playing with one hand
2. Bahia reggae – playing with two hand
Surdo are big bass drums that are the timekeeper of the band. They are usually tuned into different pitches. The beat it held together by the lowest pitch Surdo. In Rio the highest surdo are called the Contra or the Repinique, the medium surdo are called the Resposta and the lowest surdo are call the Maracasao.