This YouTube Help Centre page describes how to link YouTube (videos, music and streaming content) on a computer, Android, iPhone or iPad device, to the YouTube app on a smart TV - by the Cast feature over Wi-Fi network, mobile app pair with TV feature over Google account services, or link to mobile phone or tablet device using a YouTube app on TV number code to enter on the mobile phone or tablet, over Google services. The YouTube app comes with a remote control through Google Cast.
This Google Play (Store) page shows an open-source Android app that does the function of a Virtual Network Computing server. That technology supports connecting to a VNC server to remote control that device over a network - access to that device screen and files if the server gives this feature. droidVNC-NG supports remote control with screen sharing, copy & paste from the device with the app on - and sharing screen to connect from a web browser directly without a VNC client.
This Google Play (Store) page shows an open-source Android app that supports sharing a device screen and connecting from a web browser directly - without a client app.
Hear your music with more of the low (pitched) sounds
If you use the YouTube Music app, in your "Account" menu under "Settings" and then "Downloads and storage", is a feature to change audio quality used to high. - and to hear all the pitches (vibration rates), if the device doesn't have a sound optimiser to make the music sound more balanced, try to change the position or angle of your headphones (or speakers), or then do something to hear things better (?).