Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:D
['F3 A AFDE', 'F3 A AFDE', 'FGAB A2', 'cdec d2 AG FGAB |1 AFEG FEDd']  
X:1
L:1/8
M:2/2
K:D
 F3 A AFDE | F2 EG FDDE | F3 A AFDE |1 FDEC D2 DE :|2 FDEC D3 A |: d2 AG FGAB | A2 ed cdec |1 
 d2 AG FGAB | AFGE FDDA :|2 d2 AG F3 G | AFGE FDDE ||"^variations" |: F3 A AFDE | FAEG FEDE | 
 F3 A AFDE |1 FAEF D2 DE :|2 FAEF D3 d |: d2 AG FGAB | A2 ed cdec | d2 AG FGAB |1 AFEG FEDd :|2 
 AFEG FDDE ||  