PowerPC versions of Mac OS X run well under QEMU/UTM and Apple silicon. Cobbled together this guide using Tiger as the guest: https://tinyapps.org/docs/tiger-on-m1.html . More than performant enough for running OED[1] and MPEG Streamclip[2], two old favorites.
[1] https://global.oup.com/academic/help/technical-support/cdrom...
[2] http://www.squared5.com