Work shop ▁and ▁the ▁beginning ▁of ▁its ▁news letter , ▁the ▁T . U . B . A . ▁Journal ▁in ▁ 1 9 7 3 . ▁A ▁primary ▁goal ▁of ▁the ▁first ▁sym pos ium ▁was ▁to ▁reach - out ▁to ▁compos ers ▁and ▁facil itate ▁new ▁works ▁for ▁the ▁t uba . ▁Har vey ▁Phill ips ▁later ▁estimated ▁some ▁ 1 5 0 ▁new ▁works ▁derived ▁from ▁that ▁effort . ▁The ▁eu phon ium ▁was ▁added ▁to ▁the ▁scope ▁of ▁the ▁association ▁with ▁a ▁national ▁sym pos ium ▁title ▁being ▁edited ▁to ▁include ▁" t uba - eu phon ium " ▁in ▁ 1 9 7 4 . ▁The ▁constitution ▁draft ed ▁in ▁ 1 9 7 3 ▁was ▁re vised ▁and ▁adopted ▁in ▁ 1 9 7 5 . ▁ ▁In ▁the ▁final ▁years ▁that ▁the ▁association ▁existed ▁as ▁T . U . B . A ., ▁it ▁claimed ▁ 2 5 0 0 + ▁members ▁from ▁ 5 0 + ▁countries ▁and ▁had ▁commission ed ▁ 2 7 ▁new ▁works ▁for ▁t uba ▁or ▁eu phon ium . ▁ ▁The ▁stated ▁goals ▁of ▁the ▁organization ▁were ▁and ▁are ▁: ▁ ▁To ▁expand ▁performance ▁and ▁employ ment ▁opportun ities . ▁ ▁To ▁enh ance ▁the ▁image ▁and ▁role ▁of ▁our ▁instruments ▁and ▁perform ers . ▁ ▁To ▁explore ▁ped agog ical ▁approaches ▁through ▁new ▁teaching ▁resources . ▁ ▁To ▁promote ▁activity ▁in ▁new ▁instrument ▁design . ▁ ▁To ▁generate ▁new ▁compos itions ▁for ▁the ▁t uba ▁and ▁eu phon ium