Xylophone

With starting files from the App Brewery, added an extra note to complete the octave. v1.1 adds an app bar

Name		Name	Last commit message	Last commit date
Latest commit History 1 Commit
android		android
assets		assets
ios		ios
lib		lib
.flutter-plugins-dependencies		.flutter-plugins-dependencies
.gitignore		.gitignore
.metadata		.metadata
README.md		README.md
pubspec.yaml		pubspec.yaml

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