If this template helps then use it. If not then just delete and start from scratch.
OS (e.g. Win10): MacOs 10.14.6
PsychoPy version (e.g. 1.84.x): v2020.1.2
Standard Standalone? (y/n) y
What are you trying to achieve?: To simultaneously present two sounds, one from the left speaker and one from the right speaker- Preferably using the Builder.
What did you try to make it work?: I am using the Builder, but only one by one is played, while I need to play both stimuli at the same time