Legendary Thai rock band BIG ASS sold out 5 consecutive shows at Impact Arena (65,000 attendees total) with ticket prices 1,500–4,000 baht, generating an estimated 150–200 million baht in revenue including sponsorships and merchandise. The concert marks a reunion of the band that formed in the 1990s and became a defining force in Thai rock during the 2000s, though the article also documents internal tensions and lineup changes (notably the departure of original lead vocalist Dakk due to vocal health issues). For SMEs in entertainment, events, and music, this signals sustained market demand for iconic cultural moments and nostalgia-driven experiences among Thai audiences.