======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '174'
                                          'artist'  'George J Gaskin'
                                     'text_people'  ''
                                         'release'  'Brown Wax Cylinder'
                                           'title'  "Scanlan's Swing Song 1890"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['1890s', 'dead', 'old', 'under 2000 listeners', 'grammophon']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1890'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '119.1'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'COMM:MusicMatch_Tempo:eng'                         'None'
'TALB' (Album/Movie/Show title)                     'Brown Wax Cylinder'
'TBPM' (BPM (beats per minute))                     '119.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1890'
'TIT2' (Title/songname/content description)         "Scanlan's Swing Song 1890"
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '174000'
'TPE1' (Lead performer(s)/Soloist(s))               'George J Gaskin'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['1890s', 'dead', 'old', 'under 2000 listeners', 'grammophon']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.73 dB'
'TXXX:replaygain_track_peak'                        '0.911407'

========================== row from database ==========================
                                              'id'  1507591
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/veryearly/1890/George J Gaskin - Scanlan_s Swing Song 1890.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  174
                                           'genre'  prerock-unsorted
                                        'filesize'  3570523
                                           'mtime'  1621698466
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm veryearly Scanlan_s prerock unsorted
                                      'tag_artist'  George J Gaskin
                                     'tag_release'  Brown Wax Cylinder
                                       'tag_title'  Scanlan's Swing Song 1890
                                             'bpm'  119.1
                                    'search_title'  '1890':6 's':2 'scanlan':1 'scanlans':3 'song':5 'swing':4
                                   'search_artist'  'gaskin':3 'george':1 'j':2
                                  'search_release'  'brown':1 'cylinder':3 'wax':2
                                     'search_rest'  'prerock':4 's':3 'scanlan':2 'unsorted':5 'veryearly':1
                                    'search_combo'  '1890':6A 'brown':10C 'cylinder':12C 'gaskin':9B 'george':7B 'j':8B 'prerock':16 's':2A,15 'scanlan':1A,14 'scanlans':3A 'song':5A 'swing':4A 'unsorted':17 'veryearly':13 'wax':11C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['1890s', 'dead', 'old', 'under 2000 listeners', 'grammophon']
                                        'tag_date'  1890
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698466.2976778  (2021-05-22 17:47:46)
                             'size'  3570523