======================== unified (from filesystem) ========================
                                         'bitrate'  '192.624'
                                        'duration'  '345'
                                          'artist'  'Editors'
                                     'text_people'  ''
                                         'release'  'An End Has A Start'
                                           'title'  'When Anger Shows'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']"
                                     'discogstags'  "['rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '139.948'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'An End Has A Start'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'When Anger Shows'
'TKEY' (Initial key)                                '10B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Editors'
'TRCK' (Track number/Position in set)               '5'
'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:discogstags'                                  ['rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.07 dB'
'TXXX:replaygain_track_peak'                        '0.365399'

========================== row from database ==========================
                                              'id'  1279765
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Editors/An End Has A Start/05-editors-when_anger_shows.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  345
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  8324804
                                           'mtime'  1638554802
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 editors when_anger_shows ifs songwriter indie unsorted
                                      'tag_artist'  Editors
                                     'tag_release'  An End Has A Start
                                       'tag_title'  When Anger Shows
                                             'bpm'  139.948
                                    'search_title'  'anger':2 'shows':3 'when':1
                                   'search_artist'  'editors':1
                                  'search_release'  'a':4 'an':1 'end':2 'has':3 'start':5
                                     'search_rest'  '00singer':1 'anger':6 'editors':4 'eos':3 'ifs':8 'indie':9 'shows':7 'songwriter':2 'unsorted':10 'when':5
                                    'search_combo'  '00singer':10 'a':8C 'an':5C 'anger':2A,15 'editors':4B,13 'end':6C 'eos':12 'has':7C 'ifs':17 'indie':18 'shows':3A,16 'songwriter':11 'start':9C 'unsorted':19 'when':1A,14
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'post punk', 'british', 'rock', 'alternative']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638554802.06169  (2021-12-03 19:06:42)
                             'size'  8324804