Peter T... Melodeon...There are two definitions of Melodeon.. The English...a diatonic button accordion Rest of The World.. A ONE row diatonic button accordion

Concertinas...lots of great web sites..in nut shell English (here we go again) 48 buttons...chromatic... different tone in and out...(like a piano accordion) tenor-treble 56 buttons..great for accompanyment (sp) best known players Allistair Anderson ..Simon Thoumire Anglo...push-pull different notes...20 button..diatonic 2 keys and the relative minors...30 Button...some chromatic capabilities..and there are 36..38 etc.. Irish play mostly C/G (note that is not G/C).and some other pitches...Noel Hill etc...

My vote (having travelled a bit and play a few instruments...NOT a singer... 1. Diatonic harmonics (s) Steinbeck... 2. Penny whistle (s) 3. Ukulele, cavaquinho, Venezuelan cuatro, Canary Island timple (note the M)..in that order.. bag the Tenor uke..too large... Have you checked out the instrument called the "FLUKE" Jim Beloff web site...ukes are cool..and fun and serious if you want to be..however like all stringed instruments.. subject to damage.. Personnaly I'd have a Uke..many great players and versatile.. Check the KAWIKA uke site....get a "concert" size.. El Jefe