plena
1. it is known as plena the music puerto ricans call reggaeton, but plena was first made around 1973, (so panamanians did invented reggaeton) plena is a mixture between  jamaican and panamanian music.

2. in panama it is also called plena a hit song.
1. oye esa plena
  listen to this panamanian music

2. esa si es una plena
  now thats a hit