======================== unified (from filesystem) ========================
                                         'bitrate'  '146.532'
                                        'duration'  '185'
                                          'artist'  'Slow Club'
                                     'text_people'  ''
                                         'release'  'Yeah So'
                                           'title'  'When I Go'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie/indie pop/british/folk/twee']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '116.120'
                                             'key'  '1B'
                                        'acoustid'  '555e4408-40be-477d-9147-ab540525626c'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Yeah So'
'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009-07-06'
'TIT2' (Title/songname/content description)         'When I Go'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Slow Club'
'TPE2' (Band/orchestra/accompaniment)               'Slow Club'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'もしもし'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Slow Club'
'TSOP' (Performer sort order)                       'Slow Club'
'TXXX:ASIN'                                         'B0024RIA40'
'TXXX:Acoustid Id'                                  '555e4408-40be-477d-9147-ab540525626c'
'TXXX:Artists'                                      'Slow Club'
'TXXX:BARCODE'                                      '5060164951353'
'TXXX:CATALOGNUMBER'                                'MOSHICD29'
'TXXX:MusicBrainz Album Artist Id'                  '36eae729-eb71-4ab0-82f8-9bef3255d881'
'TXXX:MusicBrainz Album Id'                         '5b213ddd-422d-4b01-bfc5-c3be5eea50d3'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '36eae729-eb71-4ab0-82f8-9bef3255d881'
'TXXX:MusicBrainz Release Group Id'                 'd6d86619-9519-4a27-a2b3-26ace291db8d'
'TXXX:MusicBrainz Release Track Id'                 '2629075d-6092-33b5-8d12-e47d924bee52'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   'indie/indie pop/british/folk/twee'
'TXXX:originalyear'                                 '2009'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.26 dB'
'TXXX:replaygain_track_peak'                        '0.322378'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eaf89b25-cd77-4eb9-bd37-c9a0e51f5200')

========================== row from database ==========================
                                              'id'  1259660
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Slow Club - Slow_Club-Yeah_So-2009/01-slow_club-when_i_go.mp3
                                         'working'  None
                                         'bitrate'  146
                                    'duration_sec'  185
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  3466610
                                           'mtime'  1636400751
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Slow_Club Yeah_So 2009 01 slow_club when_i_go ifs songwriter indie
                                      'tag_artist'  Slow Club
                                     'tag_release'  Yeah So
                                       'tag_title'  When I Go
                                             'bpm'  116.12
                                    'search_title'  'go':3 'i':2 'when':1
                                   'search_artist'  'club':2 'slow':1
                                  'search_release'  'so':2 'yeah':1
                                     'search_rest'  '00singer':1 '2009':8 'club':5 'eos':3 'go':11 'i':10 'ifs':12 'indie':13 'slow':4 'so':7 'songwriter':2 'when':9 'yeah':6
                                    'search_combo'  '00singer':8 '2009':15 'club':5B,12 'eos':10 'go':3A,18 'i':2A,17 'ifs':19 'indie':20 'slow':4B,11 'so':7C,14 'songwriter':9 'when':1A,16 'yeah':6C,13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie/indie pop/british/folk/twee']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400751.1114147  (2021-11-08 20:45:51)
                             'size'  3466610