======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '161'
                                          'artist'  'The Black Angels'
                                     'text_people'  ''
                                         'release'  'The Black Angels'
                                           'title'  "Winter '68"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['arguman loved tracks', 'indie rock', 'indie', 'psychedelic rock', 'rock', "
 "'psychedelic']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '94.108'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Exact Audio Copy'
'TALB' (Album/Movie/Show title)                     'The Black Angels'
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         "Winter '68"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Black Angels'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['arguman loved tracks',
 'indie rock',
 'indie',
 'psychedelic rock',
 'rock',
 'psychedelic']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.356570'

========================== row from database ==========================
                                              'id'  1515487
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/The Black Angels/03 - Winter _68.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  161
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6461017
                                           'mtime'  1620737090
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 03 _68 rock cppex psychedelic
                                      'tag_artist'  The Black Angels
                                     'tag_release'  The Black Angels
                                       'tag_title'  Winter '68
                                             'bpm'  94.108
                                    'search_title'  '68':2,3 'winter':1
                                   'search_artist'  'angels':3 'black':2 'the':1
                                  'search_release'  'angels':3 'black':2 'the':1
                                     'search_rest'  '68':2 'classicprogpsy':1 'cppex':4 'psychedelic':5 'rock':3
                                    'search_combo'  '68':2A,3A,11 'angels':6B,9C 'black':5B,8C 'classicprogpsy':10 'cppex':13 'psychedelic':14 'rock':12 'the':4B,7C 'winter':1A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['arguman loved tracks', 'indie rock', 'indie', 'psychedelic rock', 'rock', 'psychedelic']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737089.8920102  (2021-05-11 14:44:49)
                             'size'  6461017