Most Popular Musical Instrument on Amazon MP3

Piano	62,077
Guitar or Guitarra	42,895
Violin	20,000
Cello or Violoncello	10,382
Harpsichord	4,020
Clarinet	3,825
Viola	3,463
Oboe	3,446
Trumpet	3,442
Double Bass or Contrabass	344

Data provided by Amazon MP3
Last Update: 04 Dec 2007

Most Popular Musical Instrument on Google to Amazon aspect ratio

Instrument	Google																														Amazon Music			G/A
Harpsichord	352,000																														2,953			8389
Violin	3,350,000																														22,353			6673
Oboe	886,000																														4,248			4795
Cello or Violoncello	2,453,000																														11,182			4558
Clarinet	1,200,000																														5,199			4333
Piano	22,900,000																														55,788			2436
Trumpet	2,340,000																														3,991			1706
Double Bass or Contrabass	984,700																														1,289			1309
Viola	5,690,000																														5,643			992
Guitar or Guitarra	28,140,000																														25,780			916

Although harpsichord has the least references on Google, seems like there are lots of CDs outhere on Amazon Music.

Data provided by Google & Amazon Music
Last Update: 04 Dec 2007

Most Popular Musical Instrument on Amazon Music

Piano	55,788
Guitar or Guitarra	25,780
Violin	22,353
Cello or Violoncello	11,182
Viola	5,643
Clarinet	5,199
Oboe	4,248
Trumpet	3,991
Harpsichord	2,953
Double Bass or Contrabass	1,289

Data provided by Amazon Music
Last Update: 04 Dec 2007

Most Popular Musical Instrument on Google

Guitar or Guitarra	28,140,000
Piano	22,900,000
Viola	5,690,000
Violin	3,350,000
Cello or Violoncello	2,453,000
Trumpet	2,340,000
Clarinet	1,200,000
Double Bass or Contrabass	984,700
Oboe	886,000
Harpsichord	352,000

Data provided by Google
Last Update: 04 Dec 2007