MetroDrummer is a powerful drum machine app for Android and iOS (and Windows and Mac) and it is built in Delphi. It features “12 Sections of rhythms with possibility to upload up to 48 rhythms for each section” and a “User section where to store your favorite rhythms with tempo change and mute drum parts” plus you can “Select any tempo from 40 (largo) to 300 beats per minute (prestissimo) as a real metronome.” It also features rhythm functions such as Start/Stop, Intro, Standard, Variation, Fill to Standard, Fill to Variation, Percussion, and Ending. And according to the developer, “It uses midi to generate rhythms (not simple a wave part) and use also a sound generator for generate the DrumKits.” Overall MetroDrummer is a powerful example of Delphi’s cross-platform capabilities.
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