Видео с ютуба Sigma Boss Theme

Mega Man X OST - T28: Sigma 1st (Vs. Sigma - Final Battle, Phase 1)

Mega Man X OST - T06: Vile 2 (Sigma Boss Theme)

Mega Man X5 OST - Sigma 1st Battle Theme [EXTENDED]

Sigma 1st Megaman X Music Extended

MegaMan Maverick Hunter X OST Sigma Battle Theme

Megaman X8 Sigma Battle Theme

Megaman X4 - Sigma 2nd

Sigma Battle - Mega Man Maverick Hunter X OST Extended

Sigma Battle 2

Megaman X6 - Sigma Final Battle [Extended]

Mega Man X OST - T30: Sigma 2nd (Vs. Wolf Sigma - Final Battle, Phase 2)

Megaman X6 - Sigma 2nd

Sigma 2 - Mega Man X4 Music Extended

Mega Man X8 - Sigma's Theme

Mega Man X5 - Sigma 1st

Mega Man X5 Sigma Stage 1 Experience

Sigma Boss Battle OST but it's extended by AI - Mega Man X

Mega Man X OST - T23: Stage Select (Sigma)

Megaman X4 - Sigma 1st

Mega Man X2 - Sigma First Theme Remix - SCOTTY RICH