This is my first post, and I'm not sure how active I'll be on here. Still, I thought you might be interested in my new Gregorian Chant Pitch Finder App. Below is a little blurb about it and the link. Enjoy!
"Find the right pitch, every time. Designed by Br. Joel Blaize, OSB, for students and practitioners of Gregorian chant, this interactive tool lets you tap notes on a staff and hear them instantly — with full support for all Gregorian modes, clef control, solfège and absolute pitch display, and smart transposition."
I'm picturing a less experienced schola or singer having this open during a group or personal practice (particularly if there's no keyboard around), they set it to the right clef and pitch, and use it to double-check some of those notes that sometimes come out of left field.
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