======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '269'
                                          'artist'  'Missy Higgins'
                                     'text_people'  ''
                                         'release'  'The Sound of White'
                                           'title'  'The Special Two'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-pop'
                                             'bpm'  '138.607'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Sound of White'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter', 'ifs-songwriter-indie-pop', 'ifs-songwriter-pop']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'The Special Two'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Missy Higgins'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.356622'

========================== row from database ==========================
                                              'id'  181367
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Missy Higgins/10 - The Special Two.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  269
                                           'genre'  ifs-songwriter;ifs-songwriter-indie-pop;ifs-songwriter-pop
                                        'filesize'  10792407
                                           'mtime'  1638554926
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 10 ifs songwriter;ifs songwriter indie pop;ifs songwriter pop
                                      'tag_artist'  Missy Higgins
                                     'tag_release'  The Sound of White
                                       'tag_title'  The Special Two
                                             'bpm'  138.607
                                    'search_title'  'special':2 'the':1 'two':3
                                   'search_artist'  'higgins':2 'missy':1
                                  'search_release'  'of':3 'sound':2 'the':1 'white':4
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4,6,8,11,13 'indie':9 'pop':10,12,14 'songwriter':2,5,7
                                    'search_combo'  '00singer':10 'eos':12 'higgins':5B 'ifs':13,15,17,20,22 'indie':18 'missy':4B 'of':8C 'pop':19,21,23 'songwriter':11,14,16 'sound':7C 'special':2A 'the':1A,6C 'two':3A 'white':9C
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'australian', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638554925.571778  (2021-12-03 19:08:45)
                             'size'  10792407