Premise: Naser Mestarihi EP is the eponymous debut EP of Doha based hard rock guitarist Naser Mestarihi. The release of the album marked the first official release of a rock album out of Qatar. All the lyrics and music on the album were written by Mestarihi, who also plays all the instruments with the exception of the drums.
Hypothesis: There's a trombone on the album, played by Mestarihi.