http://iebkxzjscv4jgaucepdbdf4b7bqmcwd5peulm5cbpoavlsnkfhda5gyd.onion/ddtss/index.cgi/sk/translate/musescore
Note
that all of these are commercial or otherwise non-free offers optionally
integrated with, but not part of, the Free notation program. Scrolling
video scores feature the notes highlighted in the score as they sound —
and highlighted on a virtual piano keyboard below.
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