======================== unified (from filesystem) ========================
                                         'bitrate'  '162.761'
                                        'duration'  '311'
                                          'artist'  'Weezer'
                                     'text_people'  ''
                                         'release'  'Weezer (The Red Album) (Bonus Tracks)'
                                           'title'  'King'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '126.965'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'EON Forever.'
'TALB' (Album/Movie/Show title)                     'Weezer (The Red Album) (Bonus Tracks)'
'TBPM' (BPM (beats per minute))                     '126.965'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'King'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Weezer'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.462225'

========================== row from database ==========================
                                              'id'  1312786
                                            'path'  /data/Music/Bulk/00poprockelectronic/B-Sides/0119 Weezer - King (B).mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  311
                                           'genre'  rock-unsorted
                                        'filesize'  6336131
                                           'mtime'  1620389215
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sides 0119 (B) rock unsorted
                                      'tag_artist'  Weezer
                                     'tag_release'  Weezer (The Red Album) (Bonus Tracks)
                                       'tag_title'  King
                                             'bpm'  126.965
                                    'search_title'  'king':1
                                   'search_artist'  'weezer':1
                                  'search_release'  'album':5,6 'bonus':7,8 'red':4 'the':2,3 'tracks':9,10 'weezer':1
                                     'search_rest'  '00poprockelectronic':1 '0119':3 'b':4,5 'rock':6 'sides':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':13 '0119':15 'album':7C,8C 'b':16,17 'bonus':9C,10C 'king':1A 'red':6C 'rock':18 'sides':14 'the':4C,5C 'tracks':11C,12C 'unsorted':19 'weezer':2B,3C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', '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-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', '90s', 'alternative', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389214.885475  (2021-05-07 14:06:54)
                             'size'  6336131