plena libre is a plena and bomba group. their music follows traditional forms while also drawing on other styles of music. in a biographical summary of the group, steve huey of "allmusic" observed that the group's blend of "contemporary dance arrangements... (and) the long-ignored puerto rican folklore-derived plena style... return(ed) the style to prominence." a popular live act over the course of a 20-year, 14-album career, the puerto rican ensemble are known for strong musicianship; for example, chris nickson of "allmusic", in noting the blending of jazz elements with plena on the "mas libre" cd, described the group's delivery of said as "highly accomplished".