edit: And unofficial Classic J Dies and Goes to Hell parts 2-3: https://www.youtube.com/watch?v=GCpnPWBVokY . Their instrumentation is 
oh shit i never knew there was extra stuff released
I saw glass beach live during their first album tour and i've never seen so many trans women in the same place before
Is the trans theming more widespread throughout their other work? The only reference that stood out to me from the lyrics of these songs was at the very end of Part 3 where the singer says "I know when you see my deadname in the obituary / I'll just wonder what you ever did to scare me off". I'm not familiar with the musicians themselves.
Yoshi's Island mentions buying hormones online, but I think most of it just comes from J/Cassio Dad being known as a transfem musician before starting Glass Beach. I learned about them from a Twitter mutual. I'm sure you can guess what we had in common lol
I found YouTube links in your post. Here are links to the same videos on alternative frontends that protect your privacy:
Link 1:
Link 2:
