The Yamaha GL-1 is a guitalele

Guitalele

A guitalele is a guitar-ukulele hybrid, that is, "a 1/4 size" guitar, a cross between a classical guitar and a tenor ukulele. The guitalele combines the portability of a ukulele, due to its small size, with the six single strings and resultant chord possibilities of a classical guitar...

, also known as a 1/4 size guitar

Guitar

The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with...

 or guitar-ukulele

Ukulele

The ukulele, ; from ; it is a subset of the guitar family of instruments, generally with four nylon or gut strings or four courses of strings....

 hybrid, combining the size of an ukulele with the wider fretboard and six single nylon strings of a classical guitar

Classical guitar

The classical guitar is a 6-stringed plucked string instrument from the family of instruments called chordophones...

.

The guitalele combines the portability of a ukulele, due to its small size, with greater chord possibilities from six strings. In January 1997, Yamaha Corporation came out with its version, the GL-1 Guitalele.

Its dimensions are: scale length (nut to saddle) 433mm (17"); nut width 47.5mm (1 7/8"); body length 730 mm (28 3/4"); body width 290 mm (11.4"); body depth 100mm (2 13/16")

The GL-1 guitalele has an unadorned laminated spruce top (with no rosette), laminated meranti back and sides, nato neck and rosewood fretboard. It comes tuned ADGCEA, and is played like a guitar pitched up to “A” (like a guitar with a capo on the fifth fret).