Comment 12 for bug 492363

Somewhat confirmed. `file' detects some of them. This is an issue in the pattern for mp3s in shared-mime-info, but not all of them would be detectable. Tried it with my independent mime utility which goes with the content patterns.

With file:
[5:20:41] adys@azura ~/tmp % file *
02_Fog: MPEG ADTS, layer III, v1, 320 kbps, 44.1 kHz, JntStereo
Above_The_Clouds: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
Above_the_Clouds_(Remix): MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
Animal_Kingdom_-_Can_You_Feel_the_Love_Tonight: data
Chaikovsky_like_ver_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 112 kbps, 44.1 kHz, JntStereo
Club_Mix_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 112 kbps, 44.1 kHz, JntStereo
Cougar_boulevard: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
Deep_Blue: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
DownMix_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 112 kbps, 44.1 kHz, JntStereo
Ensemble_Pro_Brass_-_Can_you_feel_the_love_tonight: data
Gleb_Moiseev_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
GTA San Andreas: MPEG ADTS, layer III, v1, 192 kbps, 44.1 kHz, JntStereo
Instrumental_Elton_John_ver_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
Instrumental_Symphonic_ver_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 112 kbps, 44.1 kHz, JntStereo
In the dark: data
Lights: data
MartinWolf_-_Can_You_Feel_the_Love_Tonigh: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
NATURE: data
Nu_Love_-_Can_You_Feel_The_Love_Tonight: data
Pattern 31: MPEG ADTS, layer III, v1, 160 kbps, 44.1 kHz, JntStereo
Pine_Pipe_Instrumental_ver_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 112 kbps, 44.1 kHz, JntStereo
Pride Lands: data
skybowl_-_Lunar_a_Code_III__Variation_1: data
Skybowl - This Land (demo): data
Skybowl - Upendi: data
Skybowl - We are one: data
something: data
Star_Academy_3_-_Can_You_Feel_the_Love_Tonight: data
Sunnyday: data
Timon_&_Pumbaa_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v2, 56 kbps, 22.05 kHz, JntStereo
Toon_ver_-_Can_You_Feel_The_Love_Tonight: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
Track 4: data
var2: data
var3: data
Weekend_Drive: MPEG ADTS, layer III, v1, 128 kbps, 44.1 kHz, JntStereo
William_Hung_-_Can_You_Feel_the_Love_Tonight: MPEG ADTS, layer III, v1, 224 kbps, 44.1 kHz, JntStereo
Пурикусвадосия-2: data

With my utility:
[5:20:43] adys@azura ~/tmp % mime *
Above_the_Clouds_(Remix) application/octet-stream
Timon_&_Pumbaa_-_Can_You_Feel_The_Love_Tonight application/octet-stream
Sunnyday application/octet-stream
Star_Academy_3_-_Can_You_Feel_the_Love_Tonight application/octet-stream
Lights application/octet-stream
Deep_Blue application/octet-stream
Animal_Kingdom_-_Can_You_Feel_the_Love_Tonight application/octet-stream
skybowl_-_Lunar_a_Code_III__Variation_1 application/octet-stream
Track 4 application/octet-stream
Pride Lands application/octet-stream
MartinWolf_-_Can_You_Feel_the_Love_Tonigh application/octet-stream
Club_Mix_-_Can_You_Feel_The_Love_Tonight application/octet-stream
Gleb_Moiseev_-_Can_You_Feel_The_Love_Tonight application/octet-stream
William_Hung_-_Can_You_Feel_the_Love_Tonight application/octet-stream
Weekend_Drive application/octet-stream
Instrumental_Symphonic_ver_-_Can_You_Feel_The_Love_Tonight application/octet-stream
something application/octet-stream
Above_The_Clouds application/octet-stream
GTA San Andreas application/octet-stream
Cougar_boulevard application/octet-stream
Nu_Love_-_Can_You_Feel_The_Love_Tonight application/octet-stream
Skybowl - Upendi application/octet-stream
Ensemble_Pro_Brass_-_Can_you_feel_the_love_tonight application/octet-stream
NATURE application/octet-stream
Пурикусвадосия-2 application/octet-stream
DownMix_-_Can_You_Feel_The_Love_Tonight application/octet-stream
02_Fog application/octet-stream
var3 application/octet-stream
Pine_Pipe_Instrumental_ver_-_Can_You_Feel_The_Love_Tonight application/octet-stream
var2 application/octet-stream
In the dark application/octet-stream
Skybowl - This Land (demo) application/octet-stream
Skybowl - We are one application/octet-stream
Toon_ver_-_Can_You_Feel_The_Love_Tonight application/octet-stream
Chaikovsky_like_ver_-_Can_You_Feel_The_Love_Tonight application/octet-stream
Pattern 31 application/octet-stream
Instrumental_Elton_John_ver_-_Can_You_Feel_The_Love_Tonight application/octet-stream