Cologne: Double bassist wanted

Hello :) Budding jazz guitarist is looking for a double bass player to practice, play, jam and also perform with. I (44) am not a trained jazz musician, but a passionate amateur with some experience in making music and would like to practice and "research" in a concentrated way in a pair :D In the medium term, I would also like to have the prospect of joint concerts on a smaller scale. If you're interested, please get in touch! :) Best wishes, Samuel