======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '139'
                                          'artist'  'The Magnetic Fields'
                                     'text_people'  'Stephin Merritt'
                                         'release'  '69 Love Songs, Volume 3'
                                           'title'  'Yeah! Oh, Yeah!'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '23'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '128.4'
                                             'key'  '1A'
                                        'acoustid'  '8ac915c1-c10a-4a0c-bd1d-7233edf721d7'
rest: ''

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'TALB' (Album/Movie/Show title)                     '69 Love Songs, Volume 3'
'TBPM' (BPM (beats per minute))                     '128.4'
'TCOM' (Composer)                                   'Stephin Merritt'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-09-07'
'TIT2' (Title/songname/content description)         'Yeah! Oh, Yeah!'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Magnetic Fields'
'TPE2' (Band/orchestra/accompaniment)               'The Magnetic Fields'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Merge Records'
'TRCK' (Track number/Position in set)               '10/23'
'TSO2'                                              'Magnetic Fields, The'
'TSOP' (Performer sort order)                       'Magnetic Fields, The'
'TXXX:ASIN'                                         'B00000JY76'
'TXXX:Acoustid Id'                                  '8ac915c1-c10a-4a0c-bd1d-7233edf721d7'
'TXXX:BARCODE'                                      '036172946822'
'TXXX:CATALOGNUMBER'                                'MRG 168'
'TXXX:MusicBrainz Album Artist Id'                  '3ff72a59-f39d-411d-9f93-2d4a86413013'
'TXXX:MusicBrainz Album Id'                         'b8131291-e664-42ad-b0d4-8c1a265d092b'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3ff72a59-f39d-411d-9f93-2d4a86413013'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.91 dB'
'TXXX:replaygain_track_peak'                        '0.373411'
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========================== row from database ==========================
                                              'id'  729823
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Magnetic Fields - 2000 - 69 Love Songs (Circus Records) [192k]/310 - yeah oh yeah.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  139
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3353425
                                           'mtime'  1636403023
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2000 (Circus Records) [192k] 310 yeah oh yeah ifs songwriter indie unsorted
                                      'tag_artist'  The Magnetic Fields
                                     'tag_release'  69 Love Songs, Volume 3
                                       'tag_title'  Yeah! Oh, Yeah!
                                             'bpm'  128.4
                                    'search_title'  'oh':2,3 'yeah':1
                                   'search_artist'  'fields':3 'magnetic':2 'the':1
                                  'search_release'  '3':6 '69':1 'love':2 'songs':3,4 'volume':5
                                     'search_rest'  '192k':6,7 '2000':1 '310':8 'circus':2,3 'ifs':11 'indie':13 'oh':10 'records':4,5 'songwriter':12 'unsorted':14 'yeah':9
                                    'search_combo'  '192k':18,19 '2000':13 '3':12C '310':20 '69':7C 'circus':14,15 'fields':6B 'ifs':23 'indie':25 'love':8C 'magnetic':5B 'oh':2A,3A,22 'records':16,17 'songs':9C,10C 'songwriter':24 'the':4B 'unsorted':26 'volume':11C 'yeah':1A,21
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'mellow', 'ukulele', 'beautiful']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636403022.600196  (2021-11-08 21:23:42)
                             'size'  3353425