Debian startup/shutdown w/ custom sounds

Debian Ver.: 10(buster) Desktop Environment: Cinnamon Computer's BrandName: MSI PRO SERIES GPU: NVIDIA GTX 1050Ti RAM: 8GB CPU: Intel i3-9100F KeyBoard BrandName: INPLAY Mouse BrandName: INPLAY Speaker BrandName: FANTECH FRONT PANEL AUDIO: N.G.(FAILED) BACK PANEL AUDIO: O.K.