======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '191'
                                          'artist'  'AVRO Dansorkest Hans Mossel'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Was Saying To The Moon (vocal - Topy Glerum)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-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-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'dutch', 'big band']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '95.4'
                                             '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'
'TBPM' (BPM (beats per minute))                     '95.4'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1937-01'
'TIT2' (Title/songname/content description)         'I Was Saying To The Moon (vocal - Topy Glerum)'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '191000'
'TPE1' (Lead performer(s)/Soloist(s))               'AVRO Dansorkest Hans Mossel'
'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'                                   ['jazz', 'swing', 'dutch', 'big band']
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.520014'

========================== row from database ==========================
                                              'id'  1474007
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/AVRO Dansorkest Hans Mossel - I Was Saying To The Moon (vocal - Topy Glerum) -1-1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  191
                                           'genre'  prerock-vocal
                                        'filesize'  3897658
                                           'mtime'  1620666460
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 1 1937 prerock
                                      'tag_artist'  AVRO Dansorkest Hans Mossel
                                     'tag_release'  None
                                       'tag_title'  I Was Saying To The Moon (vocal - Topy Glerum)
                                             'bpm'  95.4
                                    'search_title'  'glerum':10,11 'i':1 'moon':6 'saying':3 'the':5 'to':4 'topy':9 'vocal':7,8 'was':2
                                   'search_artist'  'avro':1 'dansorkest':2 'hans':3 'mossel':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1':7 '1937':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':20 '1':22 '1937':21 'avro':12B 'country':19 'dansorkest':13B 'exotica':17 'glerum':10A,11A 'hans':14B 'i':1A 'jazz':16 'moon':6A 'mossel':15B 'oldies':18 'prerock':23 'saying':3A 'the':5A 'to':4A 'topy':9A 'vocal':7A,8A 'was':2A
                                    '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'swing', 'dutch', 'big band']
                                        'tag_date'  1937
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666460.339486  (2021-05-10 19:07:40)
                             'size'  3897658