SDR, SIR and SAR vs. tempo deviation from reference, all sources
Kingston Town - UB40 (Looped And Extended)  Ab Major - 103bpm
( Vocals - Bass - Drums - Metronome - Other )
Kingston Town - UB40 (Looped And Extended) SDR, SIR, and SAR results from publication: Multichannel blind source separation based on non-negative tensor factorization in wavenumber domain | Blind Source Separation
 https://www.researchgate.net/figure/SDR-SIR-and-SAR-vs-tempo-deviation-from-reference-all-sources-with-the-same-deviation_fig4_220723681

Kingston Town - UB40 (Looped And Extended) - Other - Ab Major - 103bpm

Mashing Tomb ( wEll w-ASHINGTON )