======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '508'
                                          'artist'  'Goem'
                                     'text_people'  ''
                                         'release'  'Epitonic'
                                           'title'  'VPRO 1'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'electronic', 'experimental', 'minimal', '77davez all tracks']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '103.4'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Epitonic'
'TBPM' (BPM (beats per minute))                     '103.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TIT2' (Title/songname/content description)         'VPRO 1'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Goem'
'TXXX:Mp3gain_minmax'                               '081,185'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['glitch', 'electronic', 'experimental', 'minimal', '77davez all tracks']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.849572'

========================== row from database ==========================
                                              'id'  450153
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic/Goem - VPRO 1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  508
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  8144256
                                           'mtime'  1636136121
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic experimental glitch
                                      'tag_artist'  Goem
                                     'tag_release'  Epitonic
                                       'tag_title'  VPRO 1
                                             'bpm'  103.4
                                    'search_title'  '1':2 'vpro':1
                                   'search_artist'  'goem':1
                                  'search_release'  'epitonic':1
                                     'search_rest'  'electronic':1 'experimental':2 'glitch':3
                                    'search_combo'  '1':2A 'electronic':5 'epitonic':4C 'experimental':6 'glitch':7 'goem':3B 'vpro':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'electronic', 'experimental', 'minimal', '77davez all tracks']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636136121.1616483  (2021-11-05 19:15:21)
                             'size'  8144256