The primary difference between a piano and a Casio keyboard is the fact that a piano is usually quite large and difficult to move, this is mostly because it is an analog device. The keyboard, on the other hand...

The piano and keyboard are two different types of musical instruments. While the piano is acoustic, i.e. one that plays music organically, a keyboard is electronic, i.e. uses electricity to produce music.

Both bands and orchestra are types of musical ensembles. Orchestra is the older ensemble. The average orchestra has between 75 and 100 different musicians, who play symphonic music. Bands vary in numbers and...

Both, guitar and a sitar, are types of string instruments. However, there are many differences between the two such as the shape of the instruments, the number of strings on each, the way they are played, etc.

Mandolin and Ukulele are two different string instruments. The main difference between the two is that ukuleles have four strings, whereas mandolins commonly have eight strings, and hence eight tuning pegs.