Sten Hostfalt is a Sonus Rex recording artist and an professional, affiliate member of BMI, The American Federation of Musicians Local 802, Associated Musicians of Greater New York,
Audio Engineering Society (AES), Jazz Foundation of America, and Guitar Foundation of America, And as an educator, a member of National Association for Music Educators (NAfME),
New York State School Music Association (NYSSMA), MEANYC, OAKE, and AOSA, as well as The Society for Research in Music Education, and The Society for Music Theory,
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