Build a composition using the stipulated musical framework and theme.
X:1
L:1/8
Q:1/4=120
M:2/4
K:Bb
['Tg2 f2']  
X:1
L:1/8
Q:1/4=120
M:2/4
K:Bb
 Bf-fe | dd-dc | Bb-ba | Tg2 f2 | eg- gf/e/ | df- fc/B/ | A2 B2 | 
 !wedge!c/!wedge!B/!wedge!A/!wedge!G/ !wedge!F/!wedge!E/!wedge!D/!wedge!C/ | B,f-fe | dd-dc | 
 Bbba | Tg2 f2 | eg-gf/e/ | fABe | dcTBA | B2 B2 ::  