Patrik Tammelin holds a degree in guitar education from the University of Gothenburg and works as a musician in a wide range of settings. He has a strong interest in guitar playing and practically applicable music theory, an interest that informs both his teaching and his approach to writing instructional material. With a methodical yet accessible style, he aims to make theoretical concepts clear and directly playable on the instrument. His arrangements and exercises emphasize clarity, logic, and musical context, encouraging guitarists to develop a deep understanding of harmony while fostering creativity and enjoyment in their playing.