The make and model of your guitar(s) and/or other instruments and gear.
Epiphone Masterbilt EF 500RCCE steel string
Epiphone Masterbilt EN 552NS classical
Johnson Resophonic Mandolin style 3
Stefan Sobell celtic mandolin
'56 Fender electric mandolin
Fender 50's vintage player Stratocaster
Fender 52 reissue Telecaster
Gibson 30th Anniversary Les Paul gold top
Fender Deluxe Precision Bass Special
Gibson Victory Bass
Harlan Brothers Multi-Kord pedal steel
National Resophonic Resolectric Jr II
Gold Tone White Ladye 250+ banjo
Just saw your mandolin, there's some sililarity, yes. However, the two instruments have very different ancestors: Mandolins descend directly from ancient lutes (although American and Portuguese mandolins have flat backs, the original Italian Mandolins have roundbacks). Portuguese guitars evolved from 18th century "English Guittars", and both descend from 16th century Citterns (also called Guitterns). P-guitars have 6 choirs, the three firs are tuned in unisons, and the three bass choirs are tuned in octaves. This particular feature makes a big difference to the mandolin, and places the P- guitar near by the American 12-string guitar. And, of course there is the unique tuning system - the so-called Fanplate, which evolved from the English Guitar square plate with watch key tuners. The use of thumbscrews imposed the "fan" disposition and helped create a very peculiar tuning system, very accurate, reliable and long lasting (total string tension is over 70 kilos). If you take a look on my "yesterday" video, you'll notice that P-guitars have considerable polyphonic capabilities, though not as vast as classical guitars. Anyway, it's a very interesting and addictive instrument, and I'm flattered for your interest. Thanks cor commenting...
Hi Ruth, Thanks for your encouragement. God has been kind to me. It has been a struggle, but I am happy to just be alive! I don't play out much (I gave TONS of concerts in churches back in the 70's and 80's), as I never know when the "delete file" button will strike. Makes it interesting! I hope it goes well for you.