main.blocks

<xml xmlns="https://developers.google.com/blockly/xml"><block type="pxt-on-start" x="0" y="0"><statement name="HANDLER"><block type="playMelody"><value name="melody"><shadow type="melody_editor"><field name="melody">"A F E F D G E F "</field></shadow></value><value name="tempo"><shadow type="math_number_minmax"><mutation min="40" max="500" label="Number" precision="0"/><field name="SLIDER">120</field></shadow></value></block></statement></block></xml>