======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '170'
                                          'artist'  'Peter Pan Speedrock'
                                     'text_people'  ''
                                         'release'  'Loud Mean Fast & Dirty'
                                           'title'  'Pedal to the Metal'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-gr-speed'
                                             'bpm'  '110.242'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Loud Mean Fast & Dirty'
'TBPM' (BPM (beats per minute))                     '110.242'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-speed'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Pedal to the Metal'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Pan Speedrock'
'TPE2' (Band/orchestra/accompaniment)               'Peter Pan Speedrock'
'TPUB' (Publisher)                                  'Bitzcore'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.368780'

========================== row from database ==========================
                                              'id'  1312917
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Peter Pan Speedrock - Pedal to the metal.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  170
                                           'genre'  rock-gr-speed
                                        'filesize'  2727762
                                           'mtime'  1636917506
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] metal gr speed
                                      'tag_artist'  Peter Pan Speedrock
                                     'tag_release'  Loud Mean Fast & Dirty
                                       'tag_title'  Pedal to the Metal
                                             'bpm'  110.242
                                    'search_title'  'metal':4 'pedal':1 'the':3 'to':2
                                   'search_artist'  'pan':2 'peter':1 'speedrock':3
                                  'search_release'  'dirty':4 'fast':3 'loud':1 'mean':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'gr':8 'loose':3,4 'metal':7 'speed':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'dirty':11C 'fast':10C 'files':16,17 'gr':19 'loose':14,15 'loud':8C 'mean':9C 'metal':4A,18 'pan':6B 'pedal':1A 'peter':5B 'speed':20 'speedrock':7B 'the':3A 'to':2A 'unsorted':13
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917506.0445108  (2021-11-14 20:18:26)
                             'size'  2727762