小黑盒 vs Sing Key Practice Notes2026

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Sing Key Notebook is a local singing practice manager for karaoke fans, cover singers, and small performance preparation. For each song, you can record the original key, your preferred transposed key, difficult passages, practice notes, and performance status, so you do not have to test the key again right before singing. Main features: Song profiles: record song title, artist, original key, personal key, difficult parts, and notes. Key tracking: save higher or lower key settings, male/female versions, and scene tags for each song. Practice progress: organize songs by status such as not practiced, familiar, or stage ready, with practice dates. Vocal range notes: mark comfortable range, highest notes, and lowest notes using local piano note names. Performance lists: create offline setlists for KTV, weddings, annual parties, gatherings, and cover releases. It is suitable for daily karaoke preparation, cover practice, wedding or party rehearsal, and long-term organization of your regular singing repertoire. This is a fully offline standalone app. No login is required, no network connection is used, and no user data is collected. Song notes, key settings, practice progress, and performance lists are stored locally on your device only.