Salsa music Caribbean, and New York cultures and musics, with no mention of Cuba. In one scene, the Afro-Cuban folkloric genres of batá and rumba are shown being performed in Puerto Rico, implying that they originated there. In advancing the concept of salsa as a musical "sauce", containing many different ingredients from various cultures mixed together, some point to the occasional use of non-Cuban forms in salsa, such as the Puerto Rican bomba. The percentage of salsa compositions based in non-Cuban genres is low though, and despite an openness to experimentation and a willingness to absorb non-Cuban influences, - such as Jazz
Salsa music into the next measure (when clave is written in two measures). This guajeo is in two-three clave because it begins on the downbeat, emphasizing the onbeat quality of the two-side. The figure has the same exact harmonic sequence as the previous example, but rhythmically, the attack-point sequence of the two measures is reversed. Most salsa is in two-three clave, and most salsa piano guajeos are based on the two-three onbeat/offbeat motif. When salsa uses non-Cuban rhythms, such as a Puerto Rican plena, guajeos are essential to tie that genre in with the salsa format. The expression of the 2-3 onbeat/offbeat