======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '232'
                                          'artist'  'secede'
                                     'text_people'  ''
                                         'release'  'bye bye gridlock traffic '
                                           'title'  'outran'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '120.974'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'bye bye gridlock traffic '
'TBPM' (BPM (beats per minute))                     '120.974'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'outran'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'secede'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.476540'

========================== row from database ==========================
                                              'id'  1358980
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Secede/Bye Bye Gridlock Traffic/10-outran-soup.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  232
                                           'genre'  electronic
                                        'filesize'  5589213
                                           'mtime'  1636913370
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Secede Bye Bye Gridlock Traffic 10 soup electronic
                                      'tag_artist'  secede
                                     'tag_release'  bye bye gridlock traffic 
                                       'tag_title'  outran
                                             'bpm'  120.974
                                    'search_title'  'outran':1
                                   'search_artist'  'secede':1
                                  'search_release'  'bye':1 'gridlock':2 'traffic':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'bye':4 'electronic':8 'gridlock':5 'secede':3 'soup':7 'traffic':6
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 'bye':3C,9 'electronic':13 'gridlock':4C,10 'outran':1A 'secede':2B,8 'soup':12 'traffic':5C,11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-3', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913370.1393015  (2021-11-14 19:09:30)
                             'size'  5589213