I just learned Tarrega's little minuet style etude which David Russell beautifully plays on yt. It's good for checking the higher registers of an unknown or new guitar. But also for judging sweetness of tone, particularly on trebles. It goes up and down the fretboard. A real gem.
The secret of getting ahead is getting started (Mark Twain)
Tobias Braun, Santos copy, spruce/yew, 2017
Andrea Tacchi, Enrique Garcia model, Spruce/BRAZ, 2016
Giovanni Tacchi, Daniel Friederich copy, cedar/EIR, 2017
Alain Raifort, cedar/EIR, 2004