======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '165'
                                          'artist'  'Columbia Quartet'
                                     'text_people'  ''
                                         'release'  'Columbia   497 (3669)'
                                           'title'  'Honey Boy -4-1907 (78 rpm)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1907'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '111.6'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TALB' (Album/Movie/Show title)                     'Columbia   497 (3669)'
'TBPM' (BPM (beats per minute))                     '111.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1907'
'TIT2' (Title/songname/content description)         'Honey Boy -4-1907 (78 rpm)'
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '165000'
'TPE1' (Lead performer(s)/Soloist(s))               'Columbia Quartet'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.464090'

========================== row from database ==========================
                                              'id'  1468705
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1907/Columbia Quartet - Honey Boy -4-1907 Columbia 78 rpm.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  165
                                           'genre'  prerock-band
                                        'filesize'  3355265
                                           'mtime'  1620558590
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop prerock band
                                      'tag_artist'  Columbia Quartet
                                     'tag_release'  Columbia   497 (3669)
                                       'tag_title'  Honey Boy -4-1907 (78 rpm)
                                             'bpm'  111.6
                                    'search_title'  '1907':4 '4':3 '41907':5 '78':6,7 'boy':2 'honey':1 'rpm':8,9
                                   'search_artist'  'columbia':1 'quartet':2
                                  'search_release'  '3669':3,4 '497':2 'columbia':1
                                     'search_rest'  '00oldiepop':5 'band':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':6
                                    'search_combo'  '00oldiepop':20 '1907':4A '3669':14C,15C '4':3A '41907':5A '497':13C '78':6A,7A 'band':22 'boy':2A 'columbia':10B,12C 'country':19 'exotica':17 'honey':1A 'jazz':16 'oldies':18 'prerock':21 'quartet':11B 'rpm':8A,9A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5A
                                           '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-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-4', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-1', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1907
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558589.9861393  (2021-05-09 13:09:49)
                             'size'  3355265