. ▁ ▁To ▁explore ▁new ▁directions ▁in ▁technique . ▁ ▁To ▁establish ▁and ▁maintain ▁appropriate ▁libraries ▁of ▁recorded ▁and ▁printed ▁materials . ▁ ▁To ▁encou rage ▁t uba - eu phon ium ▁work sh ops ▁and ▁con ferences . ▁ ▁To ▁publish ▁a ▁journal . ▁ ▁O ng o ing ▁organization ▁ ▁In ▁ 2 0 0 0 , ▁T . U . B . A . ▁changed ▁its ▁name ▁to ▁the ▁International ▁T uba ▁Eu phon ium ▁Association ▁( I . T . E . A .). ▁The ▁change ▁was ▁brought ▁about ▁to ▁address ▁concerns ▁regarding ▁the ▁inclusion ▁in ▁its ▁name ▁of ▁women ▁and ▁eu phon ium ▁players , ▁both ▁of ▁whom ▁had ▁long ▁been ▁members , ▁in ▁order ▁to ▁be ▁more ▁representative ▁of ▁the ▁organization . ▁ ▁I . T . E . A . ▁membership ▁is ▁open ▁to ▁all ▁with ▁a ▁significant ▁interest ▁in ▁the ▁t uba ▁and / or ▁eu phon ium ▁and ▁requires ▁annual ▁dues . ▁The ▁association ▁has ▁an ▁Executive ▁Committee , ▁a ▁Board ▁of ▁Direct ors , ▁an ▁Honor ary ▁Ad vis ory ▁Board , ▁and ▁a ▁Journal ▁staff ▁with ▁area ▁coordin ators . ▁It ▁currently ▁spons ors ▁a ▁bien n ial ▁sym pos ium , ▁the ▁International ▁T uba ▁Eu phon ium ▁Conference , ▁as ▁well ▁as ▁a ▁journal , ▁the ▁I TE A ▁Journal . ▁When ▁the ▁international ▁conference ▁is ▁not ▁being ▁held , ▁regional ▁con ferences ▁throughout ▁the ▁country ▁are ▁held ▁instead . ▁ ▁Past ▁Pres idents ▁ ▁H . ▁Robert ▁R ÿ