======================== unified (from filesystem) ========================
                                         'bitrate'  '163.987'
                                        'duration'  '167'
                                          'artist'  'Calexico'
                                     'text_people'  ''
                                         'release'  'Carried To Dust'
                                           'title'  'The News About William'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'instrumental', 'alt country', 'folk', 'rock']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted;rock-pop-indie'
                                             'bpm'  '90.371'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Carried To Dust'
'TBPM' (BPM (beats per minute))                     '90.371'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie-unsorted', 'rock-pop-indie']
'TDRC' (Recording time)                             '2008-09-09'
'TIT2' (Title/songname/content description)         'The News About William'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Calexico'
'TPE2' (Band/orchestra/accompaniment)               'Calexico'
'TPUB' (Publisher)                                  'City Slang'
'TRCK' (Track number/Position in set)               '3/15'
'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:Release type'                                 'Advance'
'TXXX:Rip date'                                     '2008-07-31'
'TXXX:Source'                                       'CD (LP)'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'instrumental', 'alt country', 'folk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.84 dB'
'TXXX:replaygain_track_peak'                        '0.441154'

========================== row from database ==========================
                                              'id'  1255199
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Calexico/Carried To Dust  [2008]/03 The News About William.mp3
                                         'working'  None
                                         'bitrate'  164
                                    'duration_sec'  167
                                           'genre'  ifs-songwriter-indie-unsorted;rock-pop-indie
                                        'filesize'  3431333
                                           'mtime'  1637950092
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [2008] 03 ifs songwriter indie unsorted;rock pop indie
                                      'tag_artist'  Calexico
                                     'tag_release'  Carried To Dust
                                       'tag_title'  The News About William
                                             'bpm'  90.371
                                    'search_title'  'about':3 'news':2 'the':1 'william':4
                                   'search_artist'  'calexico':1
                                  'search_release'  'carried':1 'dust':3 'to':2
                                     'search_rest'  '00singer':1 '2008':4,5 'eos':3 'ifs':6 'indie':7 'pop':12 'rock':9,11 'songwriter':2 'unsorted':8,10
                                    'search_combo'  '00singer':9 '2008':12,13 'about':3A 'calexico':5B 'carried':6C 'dust':8C 'eos':11 'ifs':14 'indie':15 'news':2A 'pop':20 'rock':17,19 'songwriter':10 'the':1A 'to':7C 'unsorted':16,18 'william':4A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'instrumental', 'alt country', 'folk', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock']

============================== file details ==============================
                                           'mtime'  1637950092.4761415  (2021-11-26 19:08:12)
                             'size'  3431333