Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
['de fBdf eAce dGBd cF^Ac', 'fg afdc Bdgb b2 a2 a2 fa', 'GF EB,EG', 'EB, EG B2 B2 AG F2 ED']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
"^barn dance" de | fBdf eAce | dGBd cF^Ac | (3B^AB (3dBd (3fdf (3b^gb | afdf a2 de | 
"^5" fBdf eAce | dGBd cF^Ac | BfdB AecA | F^Adc B2 |: fg |"^9" afdc Bdgb | b2 a2 a2 fa | 
 a2 g2 g2 ga | g2 f2 f2 fg |"^13" afdc Bdgb | b2 a2 a2 fa | gfge cBcd | (3efe dc d2 :|[K:G] Bc | 
"^17" dGBd e^GBd | eAce f^A^ce | fBdf gBeg | agec A2 dc |"^21" BDGB d2 cB | (3ABc AB cAdc | 
 B/c/B/D/ GB A/B/A/D/ FA | GB (3AGF G2 :| GF |"^25" EB,EG B2 EB, | EG B2 B2 AG | FAFE D2 FG | 
 AFDF A2 GF |"^29" EB,EG B2 EB, | EG B2 B2 AG | F2 ED B2 AF | (3BdB E2 E2 :|  