Can`t hear backing track when recording only Microphone

[Stevie-G]

Hi i have the new version of Audacity , i load a MP3 backing track and can hear it fine when playing back but when i want to record i can not hear the backing track only my microphone ? , can anybody help ?

[jademan]

@Stevie-G

i load a MP3 backing track and can hear it fine when playing back but when i want to record i can not hear the backing track

Transport > Transport Options > Overdub. See: Tutorial - Multi-track Overdubbing - Audacity Manual