Construct a musical work by incorporating the designated motif and the alphabet-based framework.
X:1
L:1/8
M:3/4
K:F
['', 'ce Gc', 'ce Gc EG']  
X:1
L:1/8
M:3/4
K:F
 A"_b"B |:"F" c4 f2 | F2 A2 f2 |"C7" G2 e2"_c" c2 |"_b" B4 CC | CE Gc e"_g"g | 
"_b" b"_g"g"_e" ec de |1"F" fa gf ed | c4 A"_b"B :|2"F" Tf2 ef ag | f2 z2 z2 |:[K:C]"G7" gb fa eg | 
 df Bd GB |"C" ce Gc EG | ce Gc EG |"G7" FG BF GB | FG BF GB |"C" EG ce Gc | e2 z2 gg | 
"G7" gb fa eg | df Bd GB |"C" ce Gc EG | ce Gc EG |"G7" FG BF GB | FG BF GB |"C" CE Gc eg | 
 c'2"_> Part A" z2 z2 ::[K:Bb]"Bb""_b" B"_d"d"_b" b"_f"f f"_b"b |"_es" e"_g"g"_c" c'"_es"e gc' | 
"Bb""_d" d"_f"f"_b" bd f"_b"b |"_d" d3"_b" b f"_d"d |"F7""_c" cf ac fa |1 
"_es" e3"_a" a"_f" f"_es"e |"Bb""_d" d"_f"f"_b" bd f"_b"b |"_d" d2 z2 f"_es"e :|2 ag f"_es"e dc | 
"Bb""_b" Bd"_es" ef ga |"_b" b2 z2 z2 |]  