======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'Syl Johnson'
                                     'text_people'  ''
                                         'release'  'Complete Mythology(Disc 2)'
                                           'title'  "Things Ain't Right"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', 'Q-JZFKS-4', "
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                                      'lastfmtags'  "['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '121.774'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Complete Mythology(Disc 2)'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "Things Ain't Right"
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'Vinyl, CD, All Media, Box Set LP, Album, Reissue'
'TPE1' (Lead performer(s)/Soloist(s))               'Syl Johnson'
'TPE2' (Band/orchestra/accompaniment)               'Syl Johnson'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  ('Numero Group, Numero Group, Numero Group, Numero Group, Numero Group, Numero '
 'Group, Numero Group, Numero Group, Numero Group')
'TRCK' (Track number/Position in set)               '10'
'TXXX:Chapter'                                      'Dresses Too Short'
'TXXX:DISCOGS_ARTIST_LINK'                          'Syl%20Johnson'
'TXXX:DISCOGS_LABEL_LINK'                           'Numero%20Group'
'TXXX:DISCOGS_RELEASED'                             '19 Oct 2010'
'TXXX:DISCOGS_RELEASE_MONTH'                        '10'
'TXXX:Discogs_Artist_Name'                          'Syl Johnson'
'TXXX:Discogs_Catalog'                              ('NUM032, NUM032.1, NUM032.2, NUM032.3, NUM032.4, NUM032.5, NUM032.6, '
 'NUM032.CD, NUM032.BOOK')
'TXXX:Discogs_Country'                              'US'
'TXXX:Discogs_Date'                                 '2010-10-19'
'TXXX:Discogs_Release_ID'                           '2517062'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Style'                                        'Rhythm & Blues, Soul, Funk'
'TXXX:lastfmtags'                                   ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.30 dB'
'TXXX:replaygain_track_peak'                        '0.389985'

========================== row from database ==========================
                                              'id'  1498522
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Syl Johnson-Complete Mythology (2010)/210. things ain_t right.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  funk or soul-funk
                                        'filesize'  6147726
                                           'mtime'  1620665707
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul (2010) 210. things ain_t right funk or soul funk
                                      'tag_artist'  Syl Johnson
                                     'tag_release'  Complete Mythology(Disc 2)
                                       'tag_title'  Things Ain't Right
                                             'bpm'  121.774
                                    'search_title'  'ain':2 'aint':4 'right':5 't':3 'things':1
                                   'search_artist'  'johnson':2 'syl':1
                                  'search_release'  '2':5,6 'complete':1 'disc':3 'mythology':2 'mythologydisc':4
                                     'search_rest'  '2010':4,5 '210':6,7 'ain':9 'funk':2 'or':12 'right':11 'soul':3 'swing':1 't':10 'things':8
                                    'search_combo'  '2':12C,13C '2010':17,18 '210':19,20 'ain':2A,22 'aint':4A 'complete':8C 'disc':10C 'funk':15 'johnson':7B 'mythology':9C 'mythologydisc':11C 'or':25 'right':5A,24 'soul':16 'swing':14 'syl':6B 't':3A,23 'things':1A,21
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'soul', 'blues', 'rhythm and blues', 'funk', '7soul']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665706.8390899  (2021-05-10 18:55:06)
                             'size'  6147726