Mandias, G., Wahyudi, A., Jumawan, H. and Camilla, R. 2017. An Android Application to Evaluate Piano Playing Using Fast Fourier Transform (FFT) Algorithm. Abstract Proceedings International Scholars Conference. 5, 1 (Oct. 2017), 86. DOI:https://doi.org/10.35974/isc.v5i1.1581.