| Category Name | Category ID | Comment |
|---|
| - | Musical Instruments | 619 | |
| | - | Amplifiers | 167878 | |
| | | | Acoustic Amps | 167879 | |
| | | | Bass Amps | 167880 | Combined into [Bass Amps-58719] |
| | | | Bass Amps | 58719 | New Category |
| | | | Keyboard Amps | 167881 | Combined into [Keyboard Amps-58720] |
| | | | Keyboard Amps | 58720 | New Category |
| | | | Standard Amps | 167882 | |
| | | | Other Amps | 58718 | Combined into [Other Amps-170477] |
| | | | Other Amps | 170477 | New Category |
| | - | DJ Gear, Lighting | 155122 | |
| | | | Amplifiers | 14983 | Combined into [Other Amps-170477] |
| | | | Cases | 29914 | |
| | | | CD Players | 29922 | |
| | | | DJ Mixers | 101985 | |
| | | + | Effects Machines | 149535 | |
| | | | Headsets | 14985 | |
| | | + | Lighting | 161744 | |
| | | | Speakers, Speaker Stands | 132999 | Combined into [Other DJ Equipment-4785] |
| | | | Stands | 47063 | New Category |
| | | | Turntables | 14987 | Combined into [Turntables-170472] |
| | | | Turntables | 170472 | New Category |
| | | | Other DJ Equipment | 4785 | |
| | - | Instrument Accessories | 166064 | |
| | | | Brass Accessories | 41398 | |
| | | + | Keyboard, Piano Accessories | 64431 | |
| | | - | Generic Accessories | 41402 | |
| | | | | Cases | 41403 | |
| | | | | Metronomes | 41404 | |
| | | | | Music Stands | 41405 | Combined into [Music Stands-101555] |
| | | | | Music Stands | 101555 | New Category |
| | | | | Tuners | 64388 | |
| | | | | Other Accessories | 155123 | |
| | | - | Guitar Accessories | 20829 | |
| | | | | Bridges | 41407 | |
| | | | | Cables | 47075 | |
| | | | | Capos | 33050 | Relocated within Parent |
| | | | | Cases | 41409 | Combined into [Cases-41408] |
| | | | | Cases | 41408 | New Category |
| | | | | Necks | 41423 | |
| | | | + | Effects Pedals | 41410 | |
| | | | | Pickguards | 41424 | |
| | | | | Picks | 20831 | |
| | | | | Pickups | 22670 | |
| | | | | Plates | 85856 | |
| | | | | Slides | 85857 | |
| | | | | Stands, Hangers | 22671 | |
| | | | | Straps | 20832 | |
| | | | | Strings | 41431 | |
| | | | | Tuners | 22672 | |
| | | | | Other Guitar Accessories | 7266 | |
| | | + | Percussion Accessories | 41448 | |
| | | | String Accessories | 38106 | |
| | | | Woodwind Accessories | 47097 | |
| | | | Other Accessories | 166069 | |
| | - | Instruments | 166070 | |
| | | | Brass | 166071 | Combined into [Brass-16212] |
| | | - | Brass | 16212 | New Category |
| | | | | Bugles | 75557 | Moved from [Brass-166071] |
| | | | | Cornet | 41396 | Moved from [Brass-166071] |
| | | | | French Horns | 16215 | Moved from [Brass-166071] |
| | | | | Trombones | 16216 | Moved from [Brass-166071] |
| | | | | Trumpets | 16214 | Moved from [Brass-166071] |
| | | | | Tubas | 167877 | Moved from [Brass-166071] |
| | | | | Other Instruments | 620 | Moved from [Brass-166071] |
| | | + | Electronic | 155121 | |
| | | - | Guitars | 166074 | |
| | | | | Acoustic | 33021 | |
| | | | | Bass | 38078 | |
| | | | | Electric | 33034 | |
| | | | | Vintage, Collector | 155124 | Combined into [Vintage-118978] |
| | | | | Vintage | 118978 | New Category |
| | | | | Other Guitars | 621 | |
| | | | Harmonicas | 47078 | Combined into [Harmonicas-16228] |
| | | | Harmonicas | 16228 | New Category |
| | | - | Keyboard Instruments | 166075 | |
| | | | | Digital Pianos | 85860 | |
| | | | | Keyboards | 29552 | Combined into [Keyboards-38088] |
| | | | | Keyboards | 38088 | New Category |
| | | | | Organs | 16219 | |
| | | | | Pianos | 16220 | Combined into [Pianos-170473] |
| | | | | Pianos | 170473 | New Category |
| | | | | Other Instruments | 166076 | |
| | | + | Percussion | 166077 | |
| | | + | Strings | 166079 | |
| | | + | Woodwind | 166086 | |
| | | | Other Musical Instruments | 308 | |
| | - | Media | 161746 | |
| | | | Books | 161747 | |
| | | | DVDs | 161748 | |
| | | + | Sheet Music, Tabs | 20833 | |
| | | | Other Media | 100228 | Combined into [Other Media-170474] |
| | | | Other Media | 170474 | New Category |
| | - | Pro Audio | 15197 | |
| | | | Cables | 23783 | |
| | | | Computer Recording | 23784 | |
| | | - | Microphone Accessories | 166090 | |
| | | | | Cables | 166091 | |
| | | | | Holders, Stands, Mounts | 29948 | |
| | | | | Other Accessories | 29950 | Combined into [Other Accessories-170476] |
| | | | | Other Accessories | 170476 | New Category |
| | | + | Microphones | 29946 | |
| | | | Mixers | 23785 | |
| | | | Multi-Track Recorders | 15199 | |
| | | | Rack Gear | 23792 | Combined into [Rack Gear-23791] |
| | | | Rack Gear | 23791 | New Category |
| | | - | Speakers | 149529 | |
| | | | | Passive Speakers | 149530 | |
| | | | | Powered Speakers | 149531 | |
| | | | | Speaker Packages | 149534 | |
| | | | | Studio Monitors | 149532 | |
| | | | | Sub Woofer | 149533 | |
| | | | | Other Speakers | 23794 | Combined into [Other Speakers-170475] |
| | | | | Other Speakers | 170475 | New Category |
| | | | Other Pro Audio | 3278 | |
| | | Wholesale, Bulk Lots | 36354 | |
