3:37 Hardwell - Oldskool Sound 4:32 Hardwell - Oldskool Sound vs Turn Up The Speaker (LIVE Ultra Miami 2023) 5:10 Hardwell - Oldskool Sound (Extended Mix) 4:29 Hardwell - Oldskool Sound 1:36 Hardwell - Oldskool Sound (Ultra Miami 2023 Preview) 5:10 |Big Room| Hardwell - Oldskool Sound (Extended Mix) [Revealed Recordings] 0:44 Hardwell - Oldskool Sound (Saboten's Bigroom Bootleg) 3:37 Hardwell - Oldskool Sound 5:34 Oldskool Sound vs. The Night vs. Turn Up The Speakers (Hardwell UMF 2023 Mashup) 1:35 Hardwell - Oldskool Sound [Bigroom Music] @ Mainstage, Ultra Music Festival Miami 2023 5:47 Oldskool Sound vs. The Night vs. Turn Up The Speakers (Hardwell Ultra Mashup) [David Nam Remake] 3:37 Hardwell - Oldskool Sound 3:55 Hardwell - Oldskool Sound 4:32 Oldskool Sound vs The Night vs Turn Up The Speakers (Hardwell Mashup)... 5:43 Oldskool Sound vs The Night vs Bounce Generation vs Turn Up The Speakers (Hardwell Mashup)