Person · Active since 1970
Koen Maas is a musician in the Credits.fm index. A musician is the person or group behind the codes — IPI numbers identify them as a songwriter or publisher, ISNI identifiers as a creative contributor, and their recordings each carry an ISRC.
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Other members of BL!NDMAN Saxophone Quartet
Koen Maas is a person, active since 1970. Koen Maas is a member of BL!NDMAN Saxophone Quartet, and credits from that group are included in this catalog.
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