======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '221'
                                          'artist'  'R.E.M.'
                                     'text_people'  ''
                                         'release'  'Green / Monster'
                                           'title'  'King of Comedy'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'pop', 'rock']"
                                     'discogstags'  "['alternative rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '118.845'
                                             'key'  '9B'
                                        'acoustid'  '0ad60a3d-9bf3-423f-b626-bce5592070d0'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Green / Monster'
'TBPM' (BPM (beats per minute))                     '118.845'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-09-05'
'TIT2' (Title/songname/content description)         'King of Comedy'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'R.E.M.'
'TPE2' (Band/orchestra/accompaniment)               'R.E.M.'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'R.E.M.'
'TSOP' (Performer sort order)                       'R.E.M.'
'TSST' (Set subtitle)                               'Monster'
'TXXX:ASIN'                                         'B001C9Z38W'
'TXXX:Acoustid Id'                                  '0ad60a3d-9bf3-423f-b626-bce5592070d0'
'TXXX:BARCODE'                                      '093624983750'
'TXXX:CATALOGNUMBER'                                '9362-49837-5'
'TXXX:MusicBrainz Album Artist Id'                  'ea4dfa26-f633-4da6-a52a-f49ea4897b58'
'TXXX:MusicBrainz Album Id'                         'bd8bf70a-740a-42c3-8054-fa744bc04141'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'ea4dfa26-f633-4da6-a52a-f49ea4897b58'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['alternative rock', 'rock']
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.62 dB'
'TXXX:replaygain_track_peak'                        '0.455253'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9795426e-ec13-4a65-ab44-7fbd344ff7f1')

========================== row from database ==========================
                                              'id'  1357901
                                            'path'  /data/Music/Bulk/00poprockelectronic/R.E.M/Monster/REM - King of Comedy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  221
                                           'genre'  rock-pop
                                        'filesize'  3547994
                                           'mtime'  1636917798
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic REM rock pop
                                      'tag_artist'  R.E.M.
                                     'tag_release'  Green / Monster
                                       'tag_title'  King of Comedy
                                             'bpm'  118.845
                                    'search_title'  'comedy':3 'king':1 'of':2
                                   'search_artist'  'e':2 'm':3 'r':1 'rem':4
                                  'search_release'  'green':1 'monster':2
                                     'search_rest'  '00poprockelectronic':1 'pop':4 'rem':2 'rock':3
                                    'search_combo'  '00poprockelectronic':10 'comedy':3A 'e':5B 'green':8C 'king':1A 'm':6B 'monster':9C 'of':2A 'pop':13 'r':4B 'rem':7B,11 'rock':12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'pop', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['alternative rock', 'rock']

============================== file details ==============================
                                           'mtime'  1636917798.4961557  (2021-11-14 20:23:18)
                             'size'  3547994