EntertainmentHistorical (ঐতিহাসিক)Music (সংগীত) Open Air Musical Show & Woodstock 1969: 4,00,000+ Audience In a 3 Day’s Pop Music Festival. Open Air Musical Show & Woodstock 1969: 4,00,000+ Audience In a 3 Day’s Pop Music Festival. Compiled by: Asim Deb From ancient Greek and Roman history, we find the references of permanent structure of open air... Asim Deb99 views