Dirk Serries played a 1959 Höfner 456/457 archtop guitar (on IV) and a 1957 Höfner Congress archtop guitar (V).

Performed, recorded, mixed and mastered at the Sunny Side Inc. Studio, Anderlecht (Belgium) on January 23rd 2021 (IV) and May 29th 2021 (V).

https://newwaveofjazz.bandcamp.com/album/solo-acoustic-guitar-improvisations-iv-v