======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '109'
                                          'artist'  'Simon & Garfunkel'
                                     'text_people'  ''
                                         'release'  'The Definitive Simon and Garfu'
                                           'title'  'Song For The Asking'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'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'  '11'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '136.092'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Definitive Simon and Garfu'
'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Song For The Asking'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Simon & Garfunkel'
'TRCK' (Track number/Position in set)               '11'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'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'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.632150'

========================== row from database ==========================
                                              'id'  194669
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Simon and Garfunkel/1970 - Bridge Over Troubled Water/11 - Song For The Asking.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  109
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  2620046
                                           'mtime'  1636400751
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 1970 Bridge Over Troubled Water 11 ifs songwriter folk
                                      'tag_artist'  Simon & Garfunkel
                                     'tag_release'  The Definitive Simon and Garfu
                                       'tag_title'  Song For The Asking
                                             'bpm'  136.092
                                    'search_title'  'asking':4 'for':2 'song':1 'the':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':12 '1970':15 'and':10C 'asking':4A 'bridge':16 'definitive':8C 'eos':14 'folk':21 'for':2A 'garfu':11C 'garfunkel':6B 'ifs':20 'over':17 'simon':5B,9C 'song':1A 'songwriter':13 'the':3A,7C 'troubled':18 'water':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  1B
                                           '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-3', 'q-drums-1', 'q-syn-1', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['acoustic', 'rock', 'singer songwriter', 'folk', 'classic rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400750.8554757  (2021-11-08 20:45:50)
                             'size'  2620046