The FCA might be less than pleased with this 
Hi Nicky 
Welcome to the community!
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For incoming payments…
Serious answer I’d probably stick with the current one as I quite like it!
Side note, don’t try changing the sound to play around on Android… Turns out there’s no way to restore it to the app provided one without uninstalling and reinstalling! I was just trying to find a way to hear the current ones! 
How about this, to trigger everyone who works remotely…
(and uses teams…)
On a serious note though, I saw a video the other day about Sound Design in the Dutch retailer Albert Heijn, who’ve chosen to use some deliberate sound design at the self checkout.
Will dig out a link if I can find.
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There’s a thing called sonic branding, which is where a sound is associated with a brand.
Think the McDonald’s “I’m loving it” jingle or (if you’ve ever used French railways) the second or so of tune that SNCF plays.
Personally, I’d quite like something unique but not too brash…
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