Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
Q:1/4=120
M:6/8
K:D
['(d>ed) cBA (B>c)B AGF (G>AG) FED E3', 'A2 d cBA ABc d3 F3 GFG']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:D
"^Cheerful" (d>ed) cBA | (B>c)B AGF | (G>AG) FED | E3 E3 | FEF DEF | A^GA Bcd | cBA EA^G | A3 A2 :: 
 d | cBA ABc | d3 F3 | GFG BAG | (F3 F3) | A>BA G>AG | F>GF E2 A | FED CDE | D3 D2 :|  