======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '258'
                                          'artist'  'The Offspring'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Self Esteem'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', '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', 'punk rock', 'punk', 'alternative', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  '22'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '105.808'
                                             'key'  '8A'
                                        'acoustid'  '39328e53-6ac7-4a90-a4ec-39bddccc4821'
rest: ''

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

'TBPM' (BPM (beats per minute))                     '105.808'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004-10-29'
'TIT2' (Title/songname/content description)         'Self Esteem'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Offspring'
'TPE2' (Band/orchestra/accompaniment)               'The Offspring'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '22/22'
'TSO2'                                              'Offspring, The'
'TSOP' (Performer sort order)                       'Offspring, The'
'TXXX:Acoustid Id'                                  '39328e53-6ac7-4a90-a4ec-39bddccc4821'
'TXXX:Artists'                                      'The Offspring'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['alternative rock', 'punk rock', 'punk', 'alternative', 'rock']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '2'
'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'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.534974'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f8a5ebd3-df06-40f4-9217-73bc37597b88')

========================== row from database ==========================
                                              'id'  1343160
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/[Offspring]Self Esteem.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  258
                                           'genre'  rock-unsorted
                                        'filesize'  4130650
                                           'mtime'  1620392382
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] [Offspring]Self rock unsorted
                                      'tag_artist'  The Offspring
                                     'tag_release'  None
                                       'tag_title'  Self Esteem
                                             'bpm'  105.808
                                    'search_title'  'esteem':2 'self':1
                                   'search_artist'  'offspring':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'offspring':7 'offspringself':9 'rock':10 'self':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 'esteem':2A 'files':9,10 'loose':7,8 'offspring':4B,11 'offspringself':13 'rock':14 'self':1A,12 'the':3B 'unsorted':6
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'punk rock', 'punk', 'alternative', 'rock']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392382.1188602  (2021-05-07 14:59:42)
                             'size'  4130650