what is this

Original https://youtube.com/playlist?list=PLWOr44qH4GhjfHVjqFnd9oIV6WUJmtkes&si=jiJNBUYNKeLGFMr6

Original https://youtube.com/playlist?list=PLWOr44qH4GhjfHVjqFnd9oIV6WUJmtkes&si=jiJNBUYNKeLGFMr6