Craft a musical performance that integrates the mentioned motif and follows the predetermined alphabetical arrangement.
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
['F2 F Fdc B2 B Bcd', 'c dcB']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:C
 C |[K:D] e e x eS"^Welch" (MA/G/) | F2 F Fdc | B2 B Bcd | A>BA AGF | FEE EAG | F2 F Fdc | 
 B2 B Bcd | ABA GFE | DDD D2 ::"^qu. in ms" d/e/ | f2 d e2 c | dcB AGF | GAB (Ad)F | 
 FEE E2 (d/e/) | f2 d e2 c | dcB edc | fed cdB | Adc"^Da Capo" BAG |]  