Erşahin, one of Turkey's leading classical guitar players, started his guitar career in 1986 as a student of Ahmet Kanneci at Hacettepe University Ankara State Conservatory, and was later accepted as a performer in Milan Zelenka's class, after successfully completing the performance in Prague. He continued his postgraduate education at ITU Music Advanced Research Center (MIAM) and Mimar Sinan Fine Arts University, and graduated from MSGSÜ Istanbul State Conservatory with a Proficiency in Art diploma.

The artist's repertoire includes the most important works of classical guitar, as well as his own unique arrangements. He has reached a wide audience with both his solo performances and his work with various ensembles. In addition to his arrangements of traditional Turkish melodies for guitar, his work titled Shaman Rituel "Cancion y Danza", which he composed for solo guitar and was commissioned by the "Roger Shapiro Fund For New Music" based in New York.