4:41 Blue System style - In harmony together 4:20 Blue System style In harmony together (2025) 4K Ultra HD 5:21 Blue System style - In harmony together ( enisey feat feline romantic east version ) 7:13 BLUE SYSTEM - STYLE 2024 Ai - BACK TO 85 - DIETER BOHLEN SOUND/ ITALO MUSIC / EURO DISCO 8:23 Ai 80s Disco \"Angel City’s Harmony\" (Modern Talking/ Blue System style) 5:38 Ai Thomas Anders style \"If I Had Known the Lie...\" [Clip Version] 4:55 BenQook - Soaring pilot ✈️ (Blue System Ai) 2025 3:44 Blue System - When Sarah Smiles (Official Video) (VOD) 4:18 Blue System - Deja Vu. 3:24 Blue System - Silent Water (Official Video) (VOD) 3:49 Blue Systm style- To know you is to love you 3:27 BLUE SYSTEM & Dieter Bohlen - Love me on the rocks 4:26 Blue System style Battle within 6:26 Ai 80s Disco \"Isabella’s Harmony\" (Modern Talking/Blue System style) 3:17 Blue System Magic Symphony (Harmony Remix 2025) shuffle dance video 3:27 Blue System - Only With You (Director's Cut) (Official Video) (VOD) 3:38 Blue System - Magic Symphony (Official Video) (VOD) 4:57 Blue System style - Battle within.