FabioLolix [1] filed a deletion request for nightingale-git [2]: Ancient music player. Last upstream release on 11 Jan 2014, last commit on main branch on 28 Feb 2016. Depends on deprecated stuff like gcc5 and libgnomeui, internal engine is xulrunner-1.9.2. Was able to build but the program fail to launch (can't create window) [1] https://aur.archlinux.org/account/FabioLolix/ [2] https://aur.archlinux.org/pkgbase/nightingale-git/