======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '191'
                                          'artist'  'The Pretty Things'
                                     'text_people'  ''
                                         'release'  '100 British Psychedelic Masterpieces Cd 2'
                                           'title'  'S.F. Sorrow Is Born'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-BUSY-3', 'Q-SYN-1', 'Q-UNU-1', 'Q-GRIT-3', "
 "'Q-PLAY-3', 'q-bass-4', 'Q-CHART-2', 'Q-JZFKS-1', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'Q-MIXBEAT-2', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '130.3'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'http://tommentonenlacuadra.blogspot.com'
'COMM:ID3v1 Comment:eng'                            'http://tommentonenlacuadra.b'
'TALB' (Album/Movie/Show title)                     '100 British Psychedelic Masterpieces Cd 2'
'TBPM' (BPM (beats per minute))                     '130.3'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'Tag&Rename 3.0.6'
'TIT2' (Title/songname/content description)         'S.F. Sorrow Is Born'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Pretty Things'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-5.70 dB'
'TXXX:replaygain_track_peak'                        '1.078477'

========================== row from database ==========================
                                              'id'  1495798
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/100 British Psychedelic Masterpieces CD 2/04 - The Pretty Things - S.F. Sorrow Is Born.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  191
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  6126031
                                           'mtime'  1636400087
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy CD 04 rock cppex psychedelic
                                      'tag_artist'  The Pretty Things
                                     'tag_release'  100 British Psychedelic Masterpieces Cd 2
                                       'tag_title'  S.F. Sorrow Is Born
                                             'bpm'  130.3
                                    'search_title'  'born':6 'f':2 'is':5 's':1 'sf':3 'sorrow':4
                                   'search_artist'  'pretty':2 'the':1 'things':3
                                  'search_release'  '100':1 '2':6 'british':2 'cd':5 'masterpieces':4 'psychedelic':3
                                     'search_rest'  'cd':2 'classicprogpsy':1 'cppex':4 'psychedelic':5 'rock':3
                                    'search_combo'  '100':10C '2':15C 'born':6A 'british':11C 'cd':14C,17 'classicprogpsy':16 'cppex':19 'f':2A 'is':5A 'masterpieces':13C 'pretty':8B 'psychedelic':12C,20 'rock':18 's':1A 'sf':3A 'sorrow':4A 'the':7B 'things':9B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400086.6264498  (2021-11-08 20:34:46)
                             'size'  6126031