======================== unified (from filesystem) ========================
                                         'bitrate'  '191.706'
                                        'duration'  '799'
                                          'artist'  'EuroDance Hit 93-95 vol 5'
                                     'text_people'  ''
                                         'release'  "Dance Max: Best of '94 (disc 2)"
                                           'title'  'Greatest Hits Megamix'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '16'
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '137.106'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "Dance Max: Best of '94 (disc 2)"
'TBPM' (BPM (beats per minute))                     '137.106'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '1994-11-04'
'TIT2' (Title/songname/content description)         'Greatest Hits Megamix'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'EuroDance Hit 93-95 vol 5'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16/16'
'TSOP' (Performer sort order)                       'Twenty 4 Seven'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '91a50745-2b8c-40c6-8162-5e050d42637d'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '5fdbf7e7-8643-44ad-94a7-3d669e3876e4'
'TXXX:MusicIP PUID'                                 '807e6a97-e0c1-dadc-9144-dc3f682e1272'
'TXXX:MusicMagic Data'                              'AgEA+N6nltmVorB0gNQnWUw7vfqBGokJxZ6WwUxNoK4LuoABkam+KbGc3iL2H/G6iXmAAe7Phozp0/LigAHLAeUzCOapRM2hCxmCfJcylhm0IYIZG/RN49RYgYuFgMTmlyBOzLmNBXGVV4YjwbO0fN4T96TaPoRRgAHuHYXZ9Jzr9oAB2cDnhARBqb3PwekggRM='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.63 dB'
'TXXX:replaygain_track_peak'                        '0.548685'

========================== row from database ==========================
                                              'id'  1325493
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/top, dance, club, best of, etc/12 - EuroDance Hit 93-95 vol 5 - Track 12.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  799
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  19156174
                                           'mtime'  1620573246
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted top, dance, club, best of, etc 12 Track 12 electronic generic or radio dance
                                      'tag_artist'  EuroDance Hit 93-95 vol 5
                                     'tag_release'  Dance Max: Best of '94 (disc 2)
                                       'tag_title'  Greatest Hits Megamix
                                             'bpm'  137.106
                                    'search_title'  'greatest':1 'hits':2 'megamix':3
                                   'search_artist'  '5':7 '93':3 '9395':5 '95':4 'dance':9 'euro':8 'eurodance':1 'hit':2 'vol':6
                                  'search_release'  '2':10,11 '94':6,7 'best':4 'dance':1 'disc':8,9 'max':2,3 'of':5
                                     'search_rest'  '00poprockelectronic':1 'best':9 'club':7,8 'dance':5,6 'electronic':14 'etc':12 'generic':15 'of':10,11 'or':16 'radio':17 'top':3,4 'track':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':24 '2':22C,23C '5':10B '93':6B '9395':8B '94':18C,19C '95':7B 'best':16C,32 'club':30,31 'dance':12B,13C,28,29 'disc':20C,21C 'electronic':37 'etc':35 'euro':11B 'eurodance':4B 'generic':38 'greatest':1A 'hit':5B 'hits':2A 'max':14C,15C 'megamix':3A 'of':17C,33,34 'or':39 'radio':40 'top':26,27 'track':36 'unsorted':25 'vol':9B
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573246.3251464  (2021-05-09 17:14:06)
                             'size'  19156174