======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '6'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  ''
                                         'release'  'Illinois'
                                           'title'  'One Last "Woo-hoo!" For The Pullman'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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                                      'lastfmtags'  "['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '145.7'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Illinois'
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'One Last "Woo-hoo!" For The Pullman'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TRCK' (Track number/Position in set)               '8'
'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:discogstags'                                  ['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']
'TXXX:lastfmtags'                                   ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.813863'

========================== row from database ==========================
                                              'id'  1251965
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/Illinois/08 - one last woo-hoo! for the pullman.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  6
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  159097
                                           'mtime'  1636759520
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 one last woo for the pullman ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  Illinois
                                       'tag_title'  One Last "Woo-hoo!" For The Pullman
                                             'bpm'  145.7
                                    'search_title'  'for':6 'hoo':4 'last':2 'one':1 'pullman':8 'the':7 'woo':3 'woohoo':5
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'illinois':1
                                     'search_rest'  '00singer':1 'eos':3 'for':7 'ifs':10 'indie':11 'last':5 'one':4 'pullman':9 'songwriter':2 'the':8 'unsorted':12 'woo':6
                                    'search_combo'  '00singer':12 'eos':14 'for':6A,18 'hoo':4A 'ifs':21 'illinois':11C 'indie':22 'last':2A,16 'one':1A,15 'pullman':8A,20 'songwriter':13 'stevens':10B 'sufjan':9B 'the':7A,19 'unsorted':23 'woo':3A,17 'woohoo':5A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9B
                                           '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-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'pop', 'stage & screen', 'folk rock', 'indie pop', 'theme']

============================== file details ==============================
                                           'mtime'  1636759520.209468  (2021-11-13 00:25:20)
                             'size'  159097