======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '389'
                                          'artist'  'Devin Townsend'
                                     'text_people'  ''
                                         'release'  'Infinity'
                                           'title'  'War'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['progressive rock', 'metal', 'progressive metal', 'progressive', 'canadian']"
                                     'discogstags'  "['rock', 'prog rock', 'progressive metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-metal-progressive;rock-cppex'
                                             'bpm'  '135.9'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Infinity'
'TBPM' (BPM (beats per minute))                     '135.9'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-progressive', 'rock-cppex']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'War'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Devin Townsend'
'TPE2' (Band/orchestra/accompaniment)               'Devin Townsend'
'TRCK' (Track number/Position in set)               '04'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'prog rock', 'progressive metal']
'TXXX:lastfmtags'                                   ['progressive rock', 'metal', 'progressive metal', 'progressive', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.69 dB'
'TXXX:replaygain_track_peak'                        '0.584299'

========================== row from database ==========================
                                              'id'  1398440
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Devin Townsend/Infinity/04 - Devin Townsend - War.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  389
                                           'genre'  eid-metal-progressive;rock-cppex
                                        'filesize'  6236618
                                           'mtime'  1620735949
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 04 eid metal progressive;rock cppex
                                      'tag_artist'  Devin Townsend
                                     'tag_release'  Infinity
                                       'tag_title'  War
                                             'bpm'  135.9
                                    'search_title'  'war':1
                                   'search_artist'  'devin':1 'townsend':2
                                  'search_release'  'infinity':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'cppex':9 'eid':3 'metal':4 'progressive':5,7 'rock':6,8
                                    'search_combo'  '00dwimp':5 '00metal':6 'cppex':13 'devin':2B 'eid':7 'infinity':4C 'metal':8 'progressive':9,11 'rock':10,12 'townsend':3B 'war':1A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['progressive rock', 'metal', 'progressive metal', 'progressive', 'canadian']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'prog rock', 'progressive metal']

============================== file details ==============================
                                           'mtime'  1620735948.607799  (2021-05-11 14:25:48)
                             'size'  6236618