======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '190'
                                          'artist'  'Face to Face'
                                     'text_people'  ''
                                         'release'  'Face to Face vs. Dropkick Murp'
                                           'title'  'Fight or Flight'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'pop punk', 'punk', 'rock', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '115.261'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Face to Face vs. Dropkick Murp'
'TBPM' (BPM (beats per minute))                     '115.261'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Fight or Flight'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Face to Face'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['punk rock', 'pop punk', 'punk', 'rock', 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.405242'

========================== row from database ==========================
                                              'id'  1418563
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Dropkick Murphys/Dropkick Murphys & Face To Face-Split Ep Full Album 192Kbit/Face to Face - Fight or Flight (Face to Face vs. Dropkick Murphys).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  190
                                           'genre'  rock-gr-punk
                                        'filesize'  4578577
                                           'mtime'  1622658963
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner Murphys Murphys & To Split Ep Full Album 192Kbit (Face Murphys) rock gr punk
                                      'tag_artist'  Face to Face
                                     'tag_release'  Face to Face vs. Dropkick Murp
                                       'tag_title'  Fight or Flight
                                             'bpm'  115.261
                                    'search_title'  'fight':1 'flight':3 'or':2
                                   'search_artist'  'face':1 'to':2
                                  'search_release'  'dropkick':5 'face':1 'murp':6 'to':2 'vs':3,4
                                     'search_rest'  '192kbit':11 'album':10 'ep':8 'face':12,13 'full':9 'garage':2 'gr':16 'murphys':5,14 'punk':1 'rock':15 'split':7 'stoner':4 'surf':3 'to':6
                                    'search_combo'  '192kbit':22 'album':21 'dropkick':10C 'ep':19 'face':4B,6C,23,24 'fight':1A 'flight':3A 'full':20 'garage':13 'gr':27 'murp':11C 'murphys':16,25 'or':2A 'punk':12 'rock':26 'split':18 'stoner':15 'surf':14 'to':5B,7C,17 'vs':8C,9C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'pop punk', 'punk', 'rock', 'alternative']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622658962.820908  (2021-06-02 20:36:02)
                             'size'  4578577