======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '204'
                                          'artist'  'Gaybird'
                                     'text_people'  ''
                                         'release'  "Made By Gaybird: Gaybird's 3D Music Series Vol.1"
                                           'title'  'What?'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '127.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Made By Gaybird: Gaybird's 3D Music Series Vol.1"
'TBPM' (BPM (beats per minute))                     '127.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'What?'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gaybird'
'TRCK' (Track number/Position in set)               '3'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.437016'

========================== row from database ==========================
                                              'id'  1532752
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Made By Gaybird Gaybird_s 3D Music Series Vol. 1 (2002)/03 what.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  204
                                           'genre'  electronic-experimental
                                        'filesize'  8209801
                                           'mtime'  1636916932
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Gaybird_s (2002) 03 what electronic experimental
                                      'tag_artist'  Gaybird
                                     'tag_release'  Made By Gaybird: Gaybird's 3D Music Series Vol.1
                                       'tag_title'  What?
                                             'bpm'  127.8
                                    'search_title'  'what':1
                                   'search_artist'  'gaybird':1
                                  'search_release'  '1':12 '3d':8 'by':2 'gaybird':3,4,5 'gaybirds':7 'made':1 'music':9 's':6 'series':10 'vol':11 'vol1':13
                                     'search_rest'  '2002':3,4 'electronic':6 'experimental':7 'gaybird':1 's':2 'what':5
                                    'search_combo'  '1':14C '2002':18,19 '3d':10C 'by':4C 'electronic':21 'experimental':22 'gaybird':2B,5C,6C,7C,16 'gaybirds':9C 'made':3C 'music':11C 's':8C,17 'series':12C 'vol':13C 'vol1':15C 'what':1A,20
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916931.923152  (2021-11-14 20:08:51)
                             'size'  8209801