If you go the route of the Node 2 and use whatever software you could potentially use with a cd ripper and hard drive make sure the file folders are set up for Bluessound to read, otherwise a lot of extra work is needed for each album file folder. (Cover.jpg is the default label for artwork. Look at the far bottom of the link.)
https://support1.bluesound.com/hc/en-us/articles/200271926-Why-is-some-of-my-Album-Cover-Art-shown-a...
mobile_site=trueuesound.com/hc/en-us/articles/200347887-What-Formats-are-Supported-by-Bluesound-?...
In other words, these are the music formats Bluesound will recognize and this is how each album art (metadata) has to be labeled in each music file folder.
https://support1.bluesound.com/hc/en-us/articles/200271926-Why-is-some-of-my-Album-Cover-Art-shown-a...
mobile_site=trueuesound.com/hc/en-us/articles/200347887-What-Formats-are-Supported-by-Bluesound-?...
In other words, these are the music formats Bluesound will recognize and this is how each album art (metadata) has to be labeled in each music file folder.