======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '148'
                                          'artist'  'Eddie Fisher'
                                     'text_people'  ''
                                         'release'  'The Very Best of Eddie Fisher [Taragon]'
                                           'title'  'Song Of The Dreamer'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', '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'  "['oldies', 'jazz', '50s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '082a'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '128.495'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Very Best of Eddie Fisher [Taragon]'
'TBPM' (BPM (beats per minute))                     '128.495'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Song Of The Dreamer'
'TKEY' (Initial key)                                '5B'
'TLEN' (Length)                                     '124000'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Fisher'
'TRCK' (Track number/Position in set)               '082a'
'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'                                   ['oldies', 'jazz', '50s', 'easy listening']
'TXXX:q-bass'                                       '2'
'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'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.360528'

========================== row from database ==========================
                                              'id'  1444562
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-082a - Eddie Fisher - Song Of The Dreamer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  148
                                           'genre'  prerock-vocal-easy
                                        'filesize'  5968348
                                           'mtime'  1621625772
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 082a prerock vocal easy
                                      'tag_artist'  Eddie Fisher
                                     'tag_release'  The Very Best of Eddie Fisher [Taragon]
                                       'tag_title'  Song Of The Dreamer
                                             'bpm'  128.495
                                    'search_title'  'dreamer':4 'of':2 'song':1 'the':3
                                   'search_artist'  'eddie':1 'fisher':2
                                  'search_release'  'best':3 'eddie':5 'fisher':6 'of':4 'taragon':7,8 'the':1 'very':2
                                     'search_rest'  '00oldiepop':5 '082a':7 '1955':6 'country':4 'easy':10 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':19 '082a':21 '1955':20 'best':9C 'country':18 'dreamer':4A 'easy':24 'eddie':5B,11C 'exotica':16 'fisher':6B,12C 'jazz':15 'of':2A,10C 'oldies':17 'prerock':22 'song':1A 'taragon':13C,14C 'the':3A,7C 'very':8C 'vocal':23
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  5B
                                           '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-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'jazz', '50s', 'easy listening']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625771.524574  (2021-05-21 21:36:11)
                             'size'  5968348