Upright bass player help looper

my upright bass sound in looper is strange this is new electronic to me is there any double bass players out how do i get started i miss playing with my piano man …how doi get an upright bass kit i guss i am to old school.
mr c

Hi there, could you shed some light on how you’re recording it? Do you have a pickup on the bass? What type of output jack does that use?