======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '161'
                                          'artist'  'Eddie Morton'
                                     'text_people'  ''
                                         'release'  'Victor 16650-2'
                                           'title'  "If He Comes In I'm Going Out 25-7-1910 Victor"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-1', 'Q-OLDST-1', 'q-chart-1', 'q-drums-1', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ragtime', '78s', 'real oldies', 'gramophone', 'homestuck']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1910'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '130.3'
                                             'key'  '4A'
                                        '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)                     'Victor 16650-2'
'TBPM' (BPM (beats per minute))                     '130.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1910'
'TIT2' (Title/songname/content description)         "If He Comes In I'm Going Out 25-7-1910 Victor"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Morton'
'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'                                   ['ragtime', '78s', 'real oldies', 'gramophone', 'homestuck']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.681219'

========================== row from database ==========================
                                              'id'  1500550
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1910/Eddie Morton - If He Comes In I_m Goin_ Out 25-7-1910.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  161
                                           'genre'  prerock-vocal
                                        'filesize'  3279622
                                           'mtime'  1621089109
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop I_m Goin_ prerock vocal
                                      'tag_artist'  Eddie Morton
                                     'tag_release'  Victor 16650-2
                                       'tag_title'  If He Comes In I'm Going Out 25-7-1910 Victor
                                             'bpm'  130.3
                                    'search_title'  '1910':12 '25':10 '2571910':13 '7':11 'comes':3 'going':8 'he':2 'i':5 'if':1 'im':7 'in':4 'm':6 'out':9 'victor':14
                                   'search_artist'  'eddie':1 'morton':2
                                  'search_release'  '16650':2 '166502':4 '2':3 'victor':1
                                     'search_rest'  '00oldiepop':5 'country':4 'exotica':2 'goin':8 'i':6 'jazz':1 'm':7 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':25 '16650':18C '166502':20C '1910':12A '2':19C '25':10A '2571910':13A '7':11A 'comes':3A 'country':24 'eddie':15B 'exotica':22 'goin':28 'going':8A 'he':2A 'i':5A,26 'if':1A 'im':7A 'in':4A 'jazz':21 'm':6A,27 'morton':16B 'oldies':23 'out':9A 'prerock':29 'victor':14A,17C 'vocal':30
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['ragtime', '78s', 'real oldies', 'gramophone', 'homestuck']
                                        'tag_date'  1910
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621089108.8764439  (2021-05-15 16:31:48)
                             'size'  3279622