Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
['B2 GB eBdB AdDE FGAd BGGB d2', 'gf edcB', '']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 A | B2 GB eBdB | AdDE FGAd | BGGB d2 cB | cdef gedc | B2 GB eBdB | AdDE FGAd | BGGB d2 cB | 
 cdef ged :| F | G2 gf edcB | A2 ag fedc | (3Bcd gf edcB | cdef gedB | G2 gf edcB | ADDE FGAc | 
 BG G2 cA a2 | fdef ged :|"^last time" fdef gedB | G8 |]  