  This paper reports on the design and results of the 2024 ICASSP SP Cadenza
Challenge: Music Demixing/Remixing for Hearing Aids. The Cadenza project is
working to enhance the audio quality of music for those with a hearing loss.
The scenario for the challenge was listening to stereo reproduction over
loudspeakers via hearing aids. The task was to: decompose pop/rock music into
vocal, drums, bass and other (VDBO); rebalance the different tracks with
specified gains and then remixing back to stereo. End-to-end approaches were
also accepted. 17 systems were submitted by 11 teams. Causal systems performed
poorer than non-causal approaches. 9 systems beat the baseline. A common
approach was to fine-tuning pretrained demixing models. The best approach used
an ensemble of models.
