戦場のメリークリスマス
Oshio's music is classified within various categories including pop, new age, and jazz. Oshio's musical technique includes fingerpicking, tap harmonics, and a unique strumming style referred to as a "nail attack" in which he slaps the strings with the nails of his middle and ring fingers which is inspired by Michael Hedges. While his albums include mostly original material, Oshio is also known for his covers and movie soundtracks. His unique skill in interpretation and arrangement can be heard in tracks such as "Merry Christmas, Mr. Lawrence" from his album "Starting Point".