======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '248'
                                          'artist'  'Jethro Tull                    '
                                     'text_people'  ''
                                         'release'  'Tales From The Crystal Flute'
                                           'title'  'Bourie'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'q-chart-4', 'q-drums-2', 'q-other-4', "
 "'q-piano-1', 'q-vocals-2', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['progressive rock', 'classic rock', 'folk rock', 'rock', 'progressive']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex-progressive'
                                             'bpm'  '121.264'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tales From The Crystal Flute'
'TBPM' (BPM (beats per minute))                     '121.264'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex-progressive']
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'Bourie'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jethro Tull                    '
'TRCK' (Track number/Position in set)               '12'
'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:lastfmtags'                                   ['progressive rock', 'classic rock', 'folk rock', 'rock', 'progressive']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.62 dB'
'TXXX:replaygain_track_peak'                        '0.791631'

========================== row from database ==========================
                                              'id'  1344704
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jethro Tull/Jethro Tull - 1989 - Tales From The Crystal Flute (Live)/12 - Jethro Tull - Bourée.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  rock-cppex-classic;rock-cppex-progressive
                                        'filesize'  3982017
                                           'mtime'  1636039276
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1989 (Live) 12 Bourée rock cppex classic;rock cppex progressive
                                      'tag_artist'  Jethro Tull                    
                                     'tag_release'  Tales From The Crystal Flute
                                       'tag_title'  Bourie
                                             'bpm'  121.264
                                    'search_title'  'bourie':1
                                   'search_artist'  'jethro':1 'tull':2
                                  'search_release'  'crystal':4 'flute':5 'from':2 'tales':1 'the':3
                                     'search_rest'  '00poprockelectronic':1 '1989':2 'bouree':5,6 'classic':9,11 'cppex':8 'live':3,4 'progressive':13 'rock':7,10,12
                                    'search_combo'  '00poprockelectronic':9 '1989':10 'bouree':13,14 'bourie':1A 'classic':17,19 'cppex':16 'crystal':7C 'flute':8C 'from':5C 'jethro':2B 'live':11,12 'progressive':21 'rock':15,18,20 'tales':4C 'the':6C 'tull':3B
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['progressive rock', 'classic rock', 'folk rock', 'rock', 'progressive']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039275.6478684  (2021-11-04 16:21:15)
                             'size'  3982017