, ▁to ▁W T GP , ▁and ▁on ▁September ▁ 1 5 , ▁ 2 0 1 2 , ▁to ▁the ▁current ▁W Y J J . ▁ ▁On ▁September ▁ 1 5 , ▁ 2 0 1 2 , ▁W T GP ▁changed ▁its ▁format ▁from ▁contemporary ▁Christian ▁( as ▁" The ▁D ove ") ▁to ▁urban ▁adult ▁contemporary , ▁brand ed ▁as ▁" J J ▁ 9 7 . 7 " ▁under ▁the ▁new ▁call ▁letters ▁W Y J J . ▁ ▁Pre vious ▁logo ▁ ▁References ▁ ▁External ▁links ▁ ▁Y J J ▁Category : Radio ▁stations ▁established ▁in ▁ 1 9 8 3 <0x0A> </s> ▁Johann ▁Vol dem ar ▁J ann sen ▁( ▁in ▁V änd ra , ▁Liv onia , ▁Russian ▁Empire ▁– ▁} ▁in ▁T art u ) ▁was ▁an ▁Est onian ▁journalist ▁and ▁poet ▁active ▁in ▁Liv onia . ▁ ▁He ▁wrote ▁the ▁words ▁of ▁the ▁patri otic ▁song ▁" M u ▁is ama a , ▁mu ▁ õ nn ▁ja ▁r õ õ m ", ▁which ▁later ▁became ▁the ▁national ▁anth em ▁of ▁Est onia . ▁He ▁was ▁the ▁father ▁of ▁the ▁poet ▁L yd ia ▁K oid ula . ▁As ▁the ▁leader ▁of ▁the ▁ch oral ▁society ▁which ▁organ ised ▁the ▁first ▁nation wide ▁Song ▁Festival ▁in ▁T art u ▁in ▁ 1 8 6 9 , ▁J ann sen ▁played ▁a ▁cru cial ▁role ▁in ▁the ▁Est onian ▁National ▁Aw ak ening . ▁ ▁Category : 1 8 1 9 ▁birth s ▁Category