essential recording btw

some excerpts
https://www.youtube.com/watch?v=hJMkll-UssI&list=OLAK5uy_lkZjL0OJwMY-NWbt0zkv2qybQKx8dCd68&index=2
https://www.youtube.com/watch?v=ipWF1tjC7Xk&list=OLAK5uy_lkZjL0OJwMY-NWbt0zkv2qybQKx8dCd68&index=4
https://www.youtube.com/watch?v=WLKD2g1pi5M&list=OLAK5uy_lkZjL0OJwMY-NWbt0zkv2qybQKx8dCd68&index=5
https://www.youtube.com/watch?v=z2Iny3Y0vbg&list=OLAK5uy_lkZjL0OJwMY-NWbt0zkv2qybQKx8dCd68&index=2
https://www.youtube.com/watch?v=XGLSracrq1Q&list=OLAK5uy_lkZjL0OJwMY-NWbt0zkv2qybQKx8dCd68&index=37