I need to be able to share my voice, PC Audio (eg a backing track) and of course my Helix sound over Skype.   I'm almost there, but can't figure out how to add the Helix.   NB I'm playing at night using headphones, so cranking up the volume and playing the sound in the room into the mic isn't viable.    Using this guide: https://www.makeuseof.com/tag/share-music-skype-add-sound-podcasts-audio-clips-like-pro/ I've got voice and PC audio into skype, but I'm at a loss