Develop a musical composition that includes the supplied motif while following the designated alphabetical pattern.
X:1
L:1/4
Q:1/4=200
M:3/4
K:C
['(E D)', 'G2 A']  
X:1
L:1/4
Q:1/4=200
M:3/4
K:C
 G E2 | F G2 | A F2 | D (E F) | G (G3/2 F/) | E (E D) | (F/E/) E2 | G E2 | F G2 | A F2 | D (E F) | 
 G (G3/2 F/) | E (E D) | (F/E/) (E D) | (D C2) || G A2 | G (A/B/ c) | B (A G) | E G2 | A (G/F/ E) | 
 E D2 | (F/E/) E2 | G A2 | G (A/B/ c) | B (A G) | E G2 | A (G/F/ E) | E D2 | (F/E/) (E D) | 
 (D C2) | G E2 | F G2 | A F2 | D (E F) | G (G3/2 F/) | E (E D) | (F/E/) E2 | G E2 | F G2 | A F2 | 
 D (E F) | G (G3/2 F/) | E (E D) | (F/E/) (E D) | (D C2) ||  