======================== unified (from filesystem) ========================
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                                        'duration'  '458'
                                          'artist'  'Phoenix'
                                     'text_people'  ''
                                         'release'  'Wolfgang Amadeus Phoenix'
                                           'title'  'Love Like a Sunset'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
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                                      'lastfmtags'  "['indie', 'indie pop', 'electronic', 'french', 'rock']"
                                     'discogstags'  "['rock', 'pop rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '125.006'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000D86 00000B76 0000B8B2 00009F20 00049A5E 0004CC0F 000097BE 000097CF '
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'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000864 000000000134820C 00000000 008BDE1F 00000000 '
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'COMM:iTunes_CDDB_1:eng'                            '7908B009+166966+9+150+18779+33647+48917+66191+80141+92891+114571+132581'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '9'
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'TBPM' (BPM (beats per minute))                     '125.006'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 8.0.2'
'TIT2' (Title/songname/content description)         'Love Like a Sunset'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Phoenix'
'TPE2' (Band/orchestra/accompaniment)               'Phoenix'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'electronic', 'french', 'rock']
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'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.453990'

========================== row from database ==========================
                                              'id'  1266052
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Phoenix/Wolfgang Amadeus Phoenix/04-phoenix-love_like_a_sunset.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  458
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  9309375
                                           'mtime'  1621630297
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 04 phoenix love_like_a_sunset ifs songwriter indie unsorted
                                      'tag_artist'  Phoenix
                                     'tag_release'  Wolfgang Amadeus Phoenix
                                       'tag_title'  Love Like a Sunset
                                             'bpm'  125.006
                                    'search_title'  'a':3 'like':2 'love':1 'sunset':4
                                   'search_artist'  'phoenix':1
                                  'search_release'  'amadeus':2 'phoenix':3 'wolfgang':1
                                     'search_rest'  '00singer':1 'a':7 'eos':3 'ifs':9 'indie':10 'like':6 'love':5 'phoenix':4 'songwriter':2 'sunset':8 'unsorted':11
                                    'search_combo'  '00singer':9 'a':3A,15 'amadeus':7C 'eos':11 'ifs':17 'indie':18 'like':2A,14 'love':1A,13 'phoenix':5B,8C,12 'songwriter':10 'sunset':4A,16 'unsorted':19 'wolfgang':6C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'electronic', 'french', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'pop rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1621630297.2552488  (2021-05-21 22:51:37)
                             'size'  9309375