It looks like you're looking for a blog post or article about the rare/unreleased track by the legendary Puerto Rican salsa singer Ismael Rivera (also known as "El Sonero Mayor").
Let’s break it down. First, a quick reminder for the uninitiated. Ismael Rivera (1931–1987), nicknamed El Sonero Mayor (The Greatest Sonero), was one of the most influential voices in salsa and Afro-Caribbean music. From his days with Cortijo y Su Combo to his solo career, Rivera infused bomba, plena, and son with raw, joyful, and deeply African-rooted energy. Esto Fue Lo Que Trajo El Barco Ismael Rivera Rar
So collectors searching for the song often download the album — but the track isn’t there. It looks like you're looking for a blog