======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'Simon & Garfunkel'
                                     'text_people'  ''
                                         'release'  'The Definitive Simon and Garfu'
                                           'title'  'El Condor Pasa (If I Could)'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
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 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '143.213'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Definitive Simon and Garfu'
'TBPM' (BPM (beats per minute))                     '143.213'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'El Condor Pasa (If I Could)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Simon & Garfunkel'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.32 dB'
'TXXX:replaygain_track_peak'                        '0.708742'

========================== row from database ==========================
                                              'id'  173273
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Simon and Garfunkel/1970 - Bridge Over Troubled Water/02 - El Condor Pasa (If I Could).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  4542883
                                           'mtime'  1636400751
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1970 Bridge Over Troubled Water 02 ifs songwriter folk
                                      'tag_artist'  Simon & Garfunkel
                                     'tag_release'  The Definitive Simon and Garfu
                                       'tag_title'  El Condor Pasa (If I Could)
                                             'bpm'  143.213
                                    'search_title'  'condor':2 'could':7,8 'el':1 'i':6 'if':4,5 'pasa':3
                                   'search_artist'  'garfunkel':2 'simon':1
                                  'search_release'  'and':4 'definitive':2 'garfu':5 'simon':3 'the':1
                                     'search_rest'  '00singer':1 '1970':4 'bridge':5 'eos':3 'folk':10 'ifs':9 'over':6 'songwriter':2 'troubled':7 'water':8
                                    'search_combo'  '00singer':16 '1970':19 'and':14C 'bridge':20 'condor':2A 'could':7A,8A 'definitive':12C 'el':1A 'eos':18 'folk':25 'garfu':15C 'garfunkel':10B 'i':6A 'if':4A,5A 'ifs':24 'over':21 'pasa':3A 'simon':9B,13C 'songwriter':17 'the':11C 'troubled':22 'water':23
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400750.6783886  (2021-11-08 20:45:50)
                             'size'  4542883