I don't think the Backpacker is the guitar for which Murray is looking. It sounds like he wants to be able to perform with it.I have owned the precursor to the Martin Backpacker, a Mc Nally Backpacker, for over 10 years. It is a practice guitar. The neck duplicates a standard guitar neck and it uses light gauge strings. Given it's very small size, however, means it has not richness of tone. Sometimes it reminds me of Lightnin' Hopkins playing through an old tube amp with a cracked speaker.
I certainly feel like I have gotten my money's worth and I have taken it many places I would not take a decent guitar. I just wanted to speak up for it. It sounds like doo doo, but you can treat it like doo doo and practice your licks most anywhere.
Roger from Baltimore