Source:
source1: Audience [Rode NT4 Stereo MIC]>Tascam DR-680 [44.1kHz, 16bitWAV] + source2: Onstage Apex Condenser Mics>Tascam DR-680 [44.1kHz, 16bitWAV] + source3: Soundboard>USB [mp3@192kbps-48 khz]
Lineage:
converted mp3 sbd to wav (16bit-48khz) dithered to 44.1khz[audiogate] and mixed with the 2 other sources in audacity--> wav--tracksplitting in cdwave--> flac (8)