======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '271'
                                          'artist'  'Jon Coyle'
                                     'text_people'  ''
                                         'release'  'Friends in a Circle'
                                           'title'  'Friends in a Circle'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '0'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '99.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Friends in a Circle'
'TBPM' (BPM (beats per minute))                     '99.8'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TCOP' (Copyright message)                          ('Attribution-NonCommercial-ShareAlike: '
 'http://creativecommons.org/licenses/by-nc-sa/3.0/')
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Friends in a Circle'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jon Coyle'
'TPE2' (Band/orchestra/accompaniment)               'Jon Coyle'
'TRCK' (Track number/Position in set)               '0'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.614975'

========================== row from database ==========================
                                              'id'  1380599
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cobol Pongide - katya oddio - The Underappreciated Kinderklavier/Jon_Coyle_-_Friends_in_a_Circle.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  271
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  11336764
                                           'mtime'  1620346358
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Cobol Pongide katya oddio The Underappreciated Kinderklavier Jon_Coyle_ _Friends_in_a_Circle electronic unsorted;set pl mor
                                      'tag_artist'  Jon Coyle
                                     'tag_release'  Friends in a Circle
                                       'tag_title'  Friends in a Circle
                                             'bpm'  99.8
                                    'search_title'  'a':3 'circle':4 'friends':1 'in':2
                                   'search_artist'  'coyle':2 'jon':1
                                  'search_release'  'a':3 'circle':4 'friends':1 'in':2
                                     'search_rest'  'a':12 'circle':13 'cobol':1 'coyle':9 'electronic':14 'friends':10 'in':11 'jon':8 'katya':3 'kinderklavier':7 'mor':20 'oddio':4 'pl':19 'pongide':2 'set':16,18 'the':5 'underappreciated':6 'unsorted':15,17
                                    'search_combo'  'a':3A,9C,22 'circle':4A,10C,23 'cobol':11 'coyle':6B,19 'electronic':24 'friends':1A,7C,20 'in':2A,8C,21 'jon':5B,18 'katya':13 'kinderklavier':17 'mor':30 'oddio':14 'pl':29 'pongide':12 'set':26,28 'the':15 'underappreciated':16 'unsorted':25,27
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346358.4326541  (2021-05-07 02:12:38)
                             'size'  11336764