Doc,
Yamaha's Music Finder Directory (MFD)is a great tool, but it is limited to what can be stored in each selection. The MFD is essentially a mini version of a registration. It will store the name of the song, tempo, intro and variation that you use for a specific song. The bogus titles in the onboard MFD were put there for copyright reasons, and the corrected titles are available from
www.psrtutorial.com .
For saving additional information, including lyrics in .txt format, plus a host of other things, you will have to utilize the keyboard's registrations. Each registration can be named as a song title, or you can name a bank of 8 registrations as a song title, thereby giving you a nearly endless array of items that can be stored.
I don't know if they are available in Norway, but if possible you should seriously look into a Rock And Rollerk cart for loading and unloading your gear. They are very versitile, hold an enormous amount of equipment, yet the cart folks down to a compact size and very easy to transport.
Hope this helps,
Gary
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Travlin' Easy