======================== unified (from filesystem) ========================
                                         'bitrate'  '195.982'
                                        'duration'  '260'
                                          'artist'  'George Clinton'
                                     'text_people'  ''
                                         'release'  "Greatest Funkin' Hits"
                                           'title'  'Knee Deep (Midnight mix) (feat. Digital Underground)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-HHRNBTT-2', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'jazz', 'p funk', 'soul', 'funk']"
                                     'discogstags'  "['electronic', 'hip hop', 'funk / soul', 'p.funk', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '114.544'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Greatest Funkin' Hits"
'TBPM' (BPM (beats per minute))                     '114.544'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Knee Deep (Midnight mix) (feat. Digital Underground)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'George Clinton'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'hip hop', 'funk / soul', 'p.funk', 'electro']
'TXXX:lastfmtags'                                   ['reggae', 'jazz', 'p funk', 'soul', 'funk']
'TXXX:original release date'                        ['1996', '1996']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.518836'

========================== row from database ==========================
                                              'id'  1521312
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/George Clinton Greatest Funkin_ Hits [11] Knee Deep (Midnight Mix).mp3
                                         'working'  None
                                         'bitrate'  195
                                    'duration_sec'  260
                                           'genre'  funk or soul
                                        'filesize'  6381021
                                           'mtime'  1621696505
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Funkin_ [11] Mix) funk soul
                                      'tag_artist'  George Clinton
                                     'tag_release'  Greatest Funkin' Hits
                                       'tag_title'  Knee Deep (Midnight mix) (feat. Digital Underground)
                                             'bpm'  114.544
                                    'search_title'  'deep':2 'digital':9 'feat':7,8 'knee':1 'midnight':3,4 'mix':5,6 'underground':10,11
                                   'search_artist'  'clinton':2 'george':1
                                  'search_release'  'funkin':2,3 'greatest':1 'hits':4
                                     'search_rest'  '00poprockelectronic':1 '11':8,9 'files':5,6 'funk':12 'funkin':7 'loose':3,4 'mix':10,11 'soul':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 '11':25,26 'clinton':13B 'deep':2A 'digital':9A 'feat':7A,8A 'files':22,23 'funk':29 'funkin':15C,16C,24 'george':12B 'greatest':14C 'hits':17C 'knee':1A 'loose':20,21 'midnight':3A,4A 'mix':5A,6A,27,28 'soul':30 'underground':10A,11A 'unsorted':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'jazz', 'p funk', 'soul', 'funk']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'hip hop', 'funk / soul', 'p.funk', 'electro']

============================== file details ==============================
                                           'mtime'  1621696504.5010014  (2021-05-22 17:15:04)
                             'size'  6381021