======================== unified (from filesystem) ========================
                                         'bitrate'  '227.322'
                                        'duration'  '334'
                                          'artist'  'Dub Trio'
                                     'text_people'  ''
                                         'release'  'Another Sound is Dying'
                                           'title'  'Not for nothing'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'dub', 'alternative', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-gr'
                                             'bpm'  '114.221'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Another Sound is Dying'
'TBPM' (BPM (beats per minute))                     '114.221'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr'
'TDRC' (Recording time)                             '2008'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIT2' (Title/songname/content description)         'Not for nothing'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dub Trio'
'TRCK' (Track number/Position in set)               '1'
'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:lastfmtags'                                   ['instrumental', 'dub', 'alternative', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.420790'

========================== row from database ==========================
                                              'id'  1379084
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Dub Trio/Another Sound is Dying/01-dub_trio-not_for_nothing.mp3
                                         'working'  None
                                         'bitrate'  227
                                    'duration_sec'  334
                                           'genre'  rock-gr
                                        'filesize'  9501936
                                           'mtime'  1636902829
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 01 dub_trio not_for_nothing rock gr
                                      'tag_artist'  Dub Trio
                                     'tag_release'  Another Sound is Dying
                                       'tag_title'  Not for nothing
                                             'bpm'  114.221
                                    'search_title'  'for':2 'not':1 'nothing':3
                                   'search_artist'  'dub':1 'trio':2
                                  'search_release'  'another':1 'dying':4 'is':3 'sound':2
                                     'search_rest'  '00reggae':1 'dub':2,3 'for':6 'gr':9 'not':5 'nothing':7 'rock':8 'trio':4
                                    'search_combo'  '00reggae':10 'another':6C 'dub':4B,11,12 'dying':9C 'for':2A,15 'gr':18 'is':8C 'not':1A,14 'nothing':3A,16 'rock':17 'sound':7C 'trio':5B,13
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'dub', 'alternative', 'experimental', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636902829.0770957  (2021-11-14 16:13:49)
                             'size'  9501936