use home sharing to play my own music on iphone

Home Sharing only works when both the host computer and the guest device or computer are on the same local network. While accessing a Home Sharing library you may be able to download remote content to the current computer (or device?) so you can use it later when no longer connected.

Apple Music allows multiple computers and devices to connect to the same iCloud Music Library. This is available on any network, though it may cost you to stream content to your device when using a cellular connection. With Apple Music you can download content from the cloud so you can use it when you are offline and/or without incurring data charges.

tt2