======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '220'
                                          'artist'  'Weird Al Yankovic'
                                     'text_people'  ''
                                         'release'  'Bad Hair Day'
                                           'title'  "Callin' In Sick"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['comedy', 'parody', 'rock', 'humor', 'funny']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '119'
                                             'key'  '4A'
                                        'acoustid'  'ba0e4cfc-d72f-4abc-9984-385ce3d317a5'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bad Hair Day'
'TBPM' (BPM (beats per minute))                     '119'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-03-12'
'TIT2' (Title/songname/content description)         "Callin' In Sick"
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Weird Al Yankovic'
'TPE2' (Band/orchestra/accompaniment)               'Weird Al Yankovic'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Volcano Entertainment L.L.C.'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Yankovic, Weird Al'
'TSOP' (Performer sort order)                       'Yankovic, Weird Al'
'TSRC' (ISRC (international standard recording code))  'USVR10300132'
'TXXX:Acoustid Id'                                  'ba0e4cfc-d72f-4abc-9984-385ce3d317a5'
'TXXX:Artists'                                      '"Weird Al" Yankovic'
'TXXX:BARCODE'                                      '886919931921'
'TXXX:MusicBrainz Album Artist Id'                  '7746d775-9550-4360-b8d5-c37bd448ce01'
'TXXX:MusicBrainz Album Id'                         'fbea151a-fbe9-454d-a964-64ba0e134293'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Artist Id'                        '7746d775-9550-4360-b8d5-c37bd448ce01'
'TXXX:MusicBrainz Release Group Id'                 '503f469f-82dc-4674-9056-605247a46187'
'TXXX:MusicBrainz Release Track Id'                 '4bbe789d-e84e-4555-9c80-f5da17b28004'
'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'                                   ['comedy', 'parody', 'rock', 'humor', 'funny']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.480286'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'47c25da6-87ce-4ae1-8391-d3626b67cca8')

========================== row from database ==========================
                                              'id'  1301619
                                            'path'  /data/Music/Bulk/00spent/Weird Al/Weird Al Yankovic/Bad Hair Day [1996]/04 - Weird Al - Callin In Sick.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  220
                                           'genre'  entertaining-unsorted
                                        'filesize'  3529688
                                           'mtime'  1620647389
                                   'redo_metaread'  0
                                        'rest_str'   00spent [1996] 04 entertaining unsorted
                                      'tag_artist'  Weird Al Yankovic
                                     'tag_release'  Bad Hair Day
                                       'tag_title'  Callin' In Sick
                                             'bpm'  119.0
                                    'search_title'  'callin':1,2 'in':3 'sick':4
                                   'search_artist'  'al':2 'weird':1 'yankovic':3
                                  'search_release'  'bad':1 'day':3 'hair':2
                                     'search_rest'  '00spent':1 '1996':2,3 'entertaining':4 'unsorted':5
                                    'search_combo'  '00spent':11 '1996':12,13 'al':6B 'bad':8C 'callin':1A,2A 'day':10C 'entertaining':14 'hair':9C 'in':3A 'sick':4A 'unsorted':15 'weird':5B 'yankovic':7B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['comedy', 'parody', 'rock', 'humor', 'funny']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647389.33147  (2021-05-10 13:49:49)
                             'size'  3529688