======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '189'
                                          'artist'  'George MacFarlane'
                                     'text_people'  ''
                                         'release'  '[non-album tracks]'
                                           'title'  "Can't You Hear Me Calling Caroline"
                                           '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-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1914'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.7'
                                             'key'  '11A'
                                        '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)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1914'
'TIT2' (Title/songname/content description)         "Can't You Hear Me Calling Caroline"
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '189000'
'TPE1' (Lead performer(s)/Soloist(s))               'George MacFarlane'
'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:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'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'                        '+2.21 dB'
'TXXX:replaygain_track_peak'                        '0.684076'

========================== row from database ==========================
                                              'id'  1518598
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1914/George MacFarlane - Can_t You Hear Me Calling Caroline 1914.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  189
                                           'genre'  prerock-unsorted
                                        'filesize'  3860806
                                           'mtime'  1621697785
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1914 Can_t 1914 prerock unsorted
                                      'tag_artist'  George MacFarlane
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Can't You Hear Me Calling Caroline
                                             'bpm'  142.7
                                    'search_title'  'calling':7 'can':1 'cant':3 'caroline':8 'hear':5 'me':6 't':2 'you':4
                                   'search_artist'  'farlane':4 'george':1 'mac':3 'macfarlane':2
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00oldiepop':5 '1914':6 'can':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 't':8 'unsorted':10
                                    'search_combo'  '00oldiepop':22 '1914':23 'album':14C 'calling':7A 'can':1A,24 'cant':3A 'caroline':8A 'country':21 'exotica':19 'farlane':12B 'george':9B 'hear':5A 'jazz':18 'mac':11B 'macfarlane':10B 'me':6A 'non':13C 'nonalbum':15C 'oldies':20 'prerock':26 't':2A,25 'tracks':16C,17C 'unsorted':27 'you':4A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  11A
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1914
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697784.8892093  (2021-05-22 17:36:24)
                             'size'  3860806