======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '290'
                                          'artist'  'Adele'
                                     'text_people'  'Adele Adkins & Tobias Jesso Jr.'
                                         'release'  '25'
                                           'title'  'When We Were Young'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-OLDST-3', "
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                                      'lastfmtags'  "['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '16'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '143.721'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'TALB' (Album/Movie/Show title)                     '25'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCOM' (Composer)                                   'Adele Adkins & Tobias Jesso Jr.'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TCOP' (Copyright message)                          ('℗ 2015 XL Recordings Ltd., under exclusive license to Columbia Records, a '
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'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'When We Were Young'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Adele'
'TPE2' (Band/orchestra/accompaniment)               'Adele'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '04/16'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.30.100'
'TXXX:Q-HAP'                                        '2'
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'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:account_id'                                   'ccount_id'
'TXXX:compatible_brands'                            'ompatible_br'
'TXXX:compilation'                                  'o'
'TXXX:gapless_playback'                             'a'
'TXXX:iTunMOVI'                                     'TunMOVI'
'TXXX:iTunNORM'                                     'TunNORM'
'TXXX:iTunSMPB'                                     'TunSMPB'
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']
'TXXX:major_brand'                                  'ajo'
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'TXXX:purchase_date'                                'urchase_date'
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'TXXX:q-chart'                                      '4'
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'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:rating'                                       'a'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.337883'

========================== row from database ==========================
                                              'id'  1291716
                                            'path'  /data/Music/Bulk/00poprockelectronic/2016/Adele - When We Were Young.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  290
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  11675460
                                           'mtime'  1637522910
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2016 ifs songwriter rock
                                      'tag_artist'  Adele
                                     'tag_release'  25
                                       'tag_title'  When We Were Young
                                             'bpm'  143.721
                                    'search_title'  'we':2 'were':3 'when':1 'young':4
                                   'search_artist'  'adele':1
                                  'search_release'  '25':1
                                     'search_rest'  '00poprockelectronic':1 '2016':2 'ifs':3 'rock':5 'songwriter':4
                                    'search_combo'  '00poprockelectronic':7 '2016':8 '25':6C 'adele':5B 'ifs':9 'rock':11 'songwriter':10 'we':2A 'were':3A 'when':1A 'young':4A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']
                                        'tag_date'  2015
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637522910.3405488  (2021-11-21 20:28:30)
                             'size'  11675460