======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '178'
                                          'artist'  'The Matches'
                                     'text_people'  ''
                                         'release'  'E. Von Dahl Killed The Locals'
                                           'title'  'Untitled'
                                           'quals'  ("['Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-pop'
                                             'bpm'  '132.878'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'E. Von Dahl Killed The Locals'
'TBPM' (BPM (beats per minute))                     '132.878'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-pop'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Untitled'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Matches'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']
'TXXX:original release date'                        ['2004', '2003']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.422873'

========================== row from database ==========================
                                              'id'  1297263
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Matches/E. von Dahl Killed the Locals/11-the_matches-untitled-fnt.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  178
                                           'genre'  rock-gr-punk-pop
                                        'filesize'  4296382
                                           'mtime'  1620392095
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic von the 11 the_matches untitled fnt rock gr punk pop
                                      'tag_artist'  The Matches
                                     'tag_release'  E. Von Dahl Killed The Locals
                                       'tag_title'  Untitled
                                             'bpm'  132.878
                                    'search_title'  'untitled':1
                                   'search_artist'  'matches':2 'the':1
                                  'search_release'  'dahl':4 'e':1,2 'killed':5 'locals':7 'the':6 'von':3
                                     'search_rest'  '00poprockelectronic':1 'fnt':7 'gr':9 'matches':5 'pop':11 'punk':10 'rock':8 'the':3,4 'untitled':6 'von':2
                                    'search_combo'  '00poprockelectronic':11 'dahl':7C 'e':4C,5C 'fnt':17 'gr':19 'killed':8C 'locals':10C 'matches':3B,15 'pop':21 'punk':20 'rock':18 'the':2B,9C,13,14 'untitled':1A,16 'von':6C,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'indie', 'punk', 'rock', 'alternative']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620392094.9282656  (2021-05-07 14:54:54)
                             'size'  4296382