Build two different DIY solutions to the age old problem of how to speed control you Walkman with tape loops like an ersatz Mellotron.
How To Speed Mod A Walkman: The Easy Way
Overview, Walkmellotron: Cassette Player Mods
Lethal Company morecompany and biggerlobby mods, player mods
Tape CV mod
Tapes, walkmans, mods, loops etc - DIY STUFF - Look Mum No Computer Thingies
Add a pitch mod and line-in to a brand new, inexpensive tape player
Variable Speed Modified Cassette Walkman - Selectable Photocell/ Knob – Cryptic Carousel
Walkmellotron MIDI Controlled Tape Player, Walkmellotron: Cassette Player Mods
Overview, Walkmellotron: Cassette Player Mods
Motor Controlled Cassette Player, Walkmellotron: Cassette Player Mods
Add a pitch mod and line-in to a brand new, inexpensive tape player