Adaptations and Experiments by the Semarang Music Ecosystem in Facing Covid-19 PandemicGregorius Tri Hendrawan Manurung, Khothibul Umam, Fajrul Falah and SuharyoE3S Web Conf., 317 (2021) 01052DOI: https://doi.org/10.1051/e3sconf/202131701052