composer – arrangeur – lecturer – musician
- musical director and musician for GOP Varieté and Palazzo Varieté
- transcriptions/arrangements for tv shows „the voice of Germany“, „the voice Kids“
- copyist for Red Bull Symphonics with Rapper Loredana (…)
- copyist for „Teddy Teclebrhan – One Mic Stand“ for amazon prime
- lecturer for arrangement, composition, musictheory, musicology
(Dozent für Komposition, Arrangement, Musiktheorie, Musikwissenschaften) - keyboarder for CRO, The Voice of Germany, James Blunt, Roman Lob
- more than one million streams on Spotify with neo-classical project PHINLEY
- social media manager for „Pro Musik – Verband freier Musikschaffender“
Holger Dieffendahl 