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Amazon.com: POGOLAB Digital Metronome, Electronic LCD Universal Metronome, Rechargeable, with Timer, Beat Speed Adjustable, 4 Different Voice, for Guitar, Piano, Drum, Violin & Other Instruments (White) : Musical Instruments
GitHub - dlepaux/realtime-bpm-analyzer: Library using WebAudioAPI to analyse BPM from files, audionodes. It's also able to compute BPM from streams as well as realtime using a microphone. This tool might be useful
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Amazon.com: POGOLAB Digital Metronome, Electronic LCD Universal Metronome, Rechargeable, with Timer, Beat Speed Adjustable, 4 Different Voice, for Guitar, Piano, Drum, Violin & Other Instruments (White) : Musical Instruments
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