Well, nobody ever said you couldn't sing smile. The young lady is also excellent. This is just my opinion only but I would rate each component of that performance as follows:

1. Male vocals - A+
2 Female Vocals - A
3. Arranger KB backing - C
4. Guitar Solo - (execution - B-) (appropriateness - D)

I do like the concept of adding live solo instruments to an arranger track though - it really helps with the 'realism'.

Just my opinion, though. When listening to an Arranger KB backing track, my main criteria is 1. suitability for the song, and 2. realism of the instrument voices.

Overall, very good listening experience because of the quality of the vocals.

chas
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"Faith means not wanting to know what is true." [Nietzsche]