======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '150'
                                          'artist'  'Boo!'
                                     'text_people'  ''
                                         'release'  'seventies, eighties, nineties, NAUGHTIES'
                                           'title'  'Franki'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['happy music', 'monki punk', 'south african', 'post punk', 'ska']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '19'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '124.2'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'seventies, eighties, nineties, NAUGHTIES'
'TBPM' (BPM (beats per minute))                     '124.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Franki'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boo!'
'TRCK' (Track number/Position in set)               '8/19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['happy music', 'monki punk', 'south african', 'post punk', 'ska']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.490285'

========================== row from database ==========================
                                              'id'  1264332
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Boo! - Boo/seventies, eighties, nineties, NAUGHTIES/08-Franki.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  150
                                           'genre'  ifs-songwriter
                                        'filesize'  2403222
                                           'mtime'  1620645093
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 ifs songwriter
                                      'tag_artist'  Boo!
                                     'tag_release'  seventies, eighties, nineties, NAUGHTIES
                                       'tag_title'  Franki
                                             'bpm'  124.2
                                    'search_title'  'franki':1
                                   'search_artist'  'boo':1
                                  'search_release'  'eighties':3,4 'naughties':7 'nineties':5,6 'seventies':1,2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':10 'boo':2B 'eighties':5C,6C 'eos':12 'franki':1A 'ifs':13 'naughties':9C 'nineties':7C,8C 'seventies':3C,4C 'songwriter':11
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['happy music', 'monki punk', 'south african', 'post punk', 'ska']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620645092.9403658  (2021-05-10 13:11:32)
                             'size'  2403222