======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '356'
                                          'artist'  'Porcupine Tree'
                                     'text_people'  'Steven Wilson'
                                         'release'  'In Absentia'
                                           'title'  'Trains'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock', 'progressive rock', 'progressive metal', 'psychedelic', "
 "'progressive']")
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '115.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'In Absentia'
'TBPM' (BPM (beats per minute))                     '115.9'
'TCOM' (Composer)                                   'Steven Wilson'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Trains'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Porcupine Tree'
'TPE2' (Band/orchestra/accompaniment)               'Porcupine Tree'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '2'
'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', 'alternative rock']
'TXXX:lastfmtags'                                   ['rock', 'progressive rock', 'progressive metal', 'psychedelic', 'progressive']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.461097'

========================== row from database ==========================
                                              'id'  1412095
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Porcupine Tree/In Absentia/102-porcupine_tree-trains-just.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  356
                                           'genre'  rock-cppex-progressive;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  8560698
                                           'mtime'  1635960377
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 102 porcupine_tree trains just rock cppex progressive;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Porcupine Tree
                                     'tag_release'  In Absentia
                                       'tag_title'  Trains
                                             'bpm'  115.9
                                    'search_title'  'trains':1
                                   'search_artist'  'porcupine':1 'tree':2
                                  'search_release'  'absentia':2 'in':1
                                     'search_rest'  '102':2 'classicprogpsy':1 'cppex':8,13,15 'just':6 'porcupine':3 'progressive':9,11 'psychedelic':17 'rock':7,10,12,14,16 'trains':5 'tree':4
                                    'search_combo'  '102':7 'absentia':5C 'classicprogpsy':6 'cppex':13,18,20 'in':4C 'just':11 'porcupine':2B,8 'progressive':14,16 'psychedelic':22 'rock':12,15,17,19,21 'trains':1A,10 'tree':3B,9
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'progressive rock', 'progressive metal', 'psychedelic', 'progressive']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1635960376.7002976  (2021-11-03 18:26:16)
                             'size'  8560698