======================== unified (from filesystem) ========================
                                         'bitrate'  '194.286'
                                        'duration'  '402'
                                          'artist'  'Tim Minchin'
                                     'text_people'  'Tim Minchin'
                                         'release'  'So Rock'
                                           'title'  'So F**king Rock'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['piano comedy', 'australian', 'comedy', 'piano', 'i want him to have my "
 "babies']")
                                     'discogstags'  "['non-music', 'comedy']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '114.9'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'So Rock'
'TBPM' (BPM (beats per minute))                     '114.9'
'TCOM' (Composer)                                   'Tim Minchin'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'So F**king Rock'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tim Minchin'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1/16'
'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:discogstags'                                  ['non-music', 'comedy']
'TXXX:iTunes_CDDB_IDs'                              '16+C4AC1598A7F9D5C2ECAFB02776ECA9D0+9009338'
'TXXX:lastfmtags'                                   ['piano comedy',
 'australian',
 'comedy',
 'piano',
 'i want him to have my babies']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.353629'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1355127
                                            'path'  /data/Music/Bulk/00spent/Tim Minchin/Tim Minchin - 2006 - So Rock/01 - So F--king Rock.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  402
                                           'genre'  entertaining-unsorted
                                        'filesize'  9823035
                                           'mtime'  1620647354
                                   'redo_metaread'  0
                                        'rest_str'   00spent 2006 01 entertaining unsorted
                                      'tag_artist'  Tim Minchin
                                     'tag_release'  So Rock
                                       'tag_title'  So F**king Rock
                                             'bpm'  114.9
                                    'search_title'  'f':2 'fking':4 'king':3 'rock':5 'so':1
                                   'search_artist'  'minchin':2 'tim':1
                                  'search_release'  'rock':2 'so':1
                                     'search_rest'  '00spent':1 '2006':2 'entertaining':3 'unsorted':4
                                    'search_combo'  '00spent':10 '2006':11 'entertaining':12 'f':2A 'fking':4A 'king':3A 'minchin':7B 'rock':5A,9C 'so':1A,8C 'tim':6B 'unsorted':13
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['piano comedy', 'australian', 'comedy', 'piano', 'i want him to have my babies']
                                        'tag_date'  2006
                                     'discogstags'  ['non-music', 'comedy']

============================== file details ==============================
                                           'mtime'  1620647354.408476  (2021-05-10 13:49:14)
                             'size'  9823035