Create compositions following the given structural principles.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/8=60
M:4/4
K:D
"^slow and mournful" A>F | GFDC D2 (3ABc | dcAG A2 (3ABc | dcAF G2 EG | F2 D2 D2 :| A2 | 
 d3 e f2 ec | dcAF GFDE | FGAB c2 Bc | A6 (3ABc | dcAG A2 FA | GFDB, C2 DE | F3 E D2 D2 | D4- D4 |]  