Friends Theme Song Arduino Code. What's wrong with my code: "serial doesn't have a type"

What's wrong with my code: "serial doesn't have a type", also, idk This code will play Hedwig's Theme on an Arduino by attaching a piezo transducer to pins 8 and 9. I wrote a few Arduino sketches, with some details … Play POC, Mario, Despecito, Crazy Frog, and Titanic on Arduino. In this video, we will explore how to use an Arduino board to create a melody of the famous Mario Theme Song. Since I'm just starting with Arduino and I only have the parts from the Starter Kit, it had to be something easy. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. The loop calls the sing function twice to play each song. The personal and professional lives of six friends living in the Manhattan borough of New York City. github. If someone could help me mesh those two codes so that, after a row is completed, the "song" from the second attempt code is played, that would be amazing. This file contains all the pitch values for typical notes. wqzn3a
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