======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '260'
                                          'artist'  'Elizabeth Spencer & Thomas Chalmers'
                                     'text_people'  ''
                                         'release'  'Edison Blue Amberol  2675'
                                           'title'  "Ever Of Thee I'm Fondly Dreaming"
                                           '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-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'  '1913'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '140.6'
                                             '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)                     'Edison Blue Amberol  2675'
'TBPM' (BPM (beats per minute))                     '140.6'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1913-08-25'
'TIT2' (Title/songname/content description)         "Ever Of Thee I'm Fondly Dreaming"
'TKEY' (Initial key)                                '5A'
'TLEN' (Length)                                     '260000'
'TPE1' (Lead performer(s)/Soloist(s))               'Elizabeth Spencer & Thomas Chalmers'
'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'                                       '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'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.531552'

========================== row from database ==========================
                                              'id'  1500648
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1913/Elizabeth Spencer & Thomas Chalmers - Ever Of Thee I_m Fondly Dreaming 25-8-1913.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  260
                                           'genre'  prerock-vocal
                                        'filesize'  5262713
                                           'mtime'  1620666159
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1913 I_m 25 8 1913 prerock vocal
                                      'tag_artist'  Elizabeth Spencer & Thomas Chalmers
                                     'tag_release'  Edison Blue Amberol  2675
                                       'tag_title'  Ever Of Thee I'm Fondly Dreaming
                                             'bpm'  140.6
                                    'search_title'  'dreaming':8 'ever':1 'fondly':7 'i':4 'im':6 'm':5 'of':2 'thee':3
                                   'search_artist'  'chalmers':4 'elizabeth':1 'spencer':2 'thomas':3
                                  'search_release'  '2675':4 'amberol':3 'blue':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1913':6 '25':9 '8':10 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':11 'vocal':12
                                    'search_combo'  '00oldiepop':21 '1913':22 '25':25 '2675':16C '8':26 'amberol':15C 'blue':14C 'chalmers':12B 'country':20 'dreaming':8A 'edison':13C 'elizabeth':9B 'ever':1A 'exotica':18 'fondly':7A 'i':4A,23 'im':6A 'jazz':17 'm':5A,24 'of':2A 'oldies':19 'prerock':27 'spencer':10B 'thee':3A 'thomas':11B 'vocal':28
                                    '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-1', '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'  []
                                        'tag_date'  1913
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666159.2234309  (2021-05-10 19:02:39)
                             'size'  5262713