Design musical compositions that conform to the indicated framework and encompass the proposed musical concept.
X:1
L:1/8
M:4/4
K:G
['cE E2 GEDB, DEGA', 'eage dB B2 dBGB cE E2 GE', 'abge dB B2 dBGB cE E2 GE'  
X:1
L:1/8
M:4/4
K:G
|: DG G2 DGBG | (3ABc BG AGEG | DG G2 DGBd | (3efe dg eagf | dB B2 dBGB |1 cE E2 GEDB, | 
 DEGA B2 eB | dBAc BGGE :|2 cE E2 GEDB, | DEGA (3Bcd eB | dBAc BGGB |: (3ded Be dGBd | egdg eage | 
 dB B2 dBGB | cE E2 GE D2 | Bd d2 Bdef | gb (3fga gedB | DEGA (3Bcd eG | dBGc BG G2 :| 
"^Nollaig Casey plays the last part as follows:" Bd (3ddd d2 ef | g2 bg abge | dB B2 dBGB | 
 cE E2 GE D2 | Bd (3ddd d2 ef | g2 bg ab g z | DEGA (3Bcd eB | dBAc BG G2 :|  