Develop a music arrangement by incorporating the given alphabetical sequence and the provided motif.
X:1
L:1/8
Q:1/4=120
M:3/4
K:Eb
['F |{A} G>F E3']  
X:1
L:1/8
Q:1/4=120
M:3/4
K:Eb
"^Maestoso e lachrymoso.""^Symphony." F |{A} G>F E3 F |{A} G>F E3 G | A>cBe{c} BA/G/ |{G} F4 z G | 
 A>cBege | bgeBGB | (c3/2d/4e/4) G2 TF2 | E4 z"^Melody." F |{A} G>F E3 F |{A} G>F E3 G | 
 A>c{c} B3 A/G/ |{G} F4 z G | A>c{c} B3 G | B>G E3 B | c>e G2 TF2 | E4 z"^Symphony." G | A>cBege | 
 bgeBGB | (c3/2d/4e/4) G2 TF2 | E4 z |]  