======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'Sufjan Stevens'
                                     'text_people'  'Sufjan Stevens'
                                         'release'  'Enjoy Your Rabbit'
                                           'title'  'Year of the Dog'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']"
                                     'discogstags'  "['electronic', 'rock', 'leftfield', 'krautrock', 'avantgarde', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '145.8'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_IDs:eng'                          '14+75C3F905314D2BFBB4967F7441DA3A5A+6107335'
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'TALB' (Album/Movie/Show title)                     'Enjoy Your Rabbit'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCOM' (Composer)                                   'Sufjan Stevens'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2001'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Year of the Dog'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sufjan Stevens'
'TPE2' (Band/orchestra/accompaniment)               'Sufjan Stevens'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Asthmatic Kitty'
'TRCK' (Track number/Position in set)               '12'
'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'                                  ['electronic', 'rock', 'leftfield', 'krautrock', 'avantgarde', 'experimental']
'TXXX:lastfmtags'                                   ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.89 dB'
'TXXX:replaygain_track_peak'                        '0.552203'

========================== row from database ==========================
                                              'id'  1264306
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sufjan Stevens/Enjoy Your Rabbit/12 Year of the Dog.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  11689419
                                           'mtime'  1636759528
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 ifs songwriter indie unsorted
                                      'tag_artist'  Sufjan Stevens
                                     'tag_release'  Enjoy Your Rabbit
                                       'tag_title'  Year of the Dog
                                             'bpm'  145.8
                                    'search_title'  'dog':4 'of':2 'the':3 'year':1
                                   'search_artist'  'stevens':2 'sufjan':1
                                  'search_release'  'enjoy':1 'rabbit':3 'your':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2 'unsorted':6
                                    'search_combo'  '00singer':10 'dog':4A 'enjoy':7C 'eos':12 'ifs':13 'indie':14 'of':2A 'rabbit':9C 'songwriter':11 'stevens':6B 'sufjan':5B 'the':3A 'unsorted':15 'year':1A 'your':8C
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', '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-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'beautiful', 'mellow', 'folk', 'singer songwriter']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'rock', 'leftfield', 'krautrock', 'avantgarde', 'experimental']

============================== file details ==============================
                                           'mtime'  1636759527.5690362  (2021-11-13 00:25:27)
                             'size'  11689419