======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '285'
                                          'artist'  'Bryan Adams'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'All for Love'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'canadian', 'classic rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '150'
                                             'key'  '10B'
                                        'acoustid'  '31a68595-48c0-40aa-bfb5-0464f9026f58'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '150'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'All for Love'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Bryan Adams feat. Rod Stewart & Sting'
'TPE2' (Band/orchestra/accompaniment)               'Bryan Adams'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/13'
'TSO2'                                              'Adams, Bryan'
'TSOP' (Performer sort order)                       'Adams, Bryan feat. Stewart, Rod & Sting'
'TXXX:ASIN'                                         'B002WH9FPA'
'TXXX:Acoustid Id'                                  '31a68595-48c0-40aa-bfb5-0464f9026f58'
'TXXX:Artists'                                      'Bryan Adams/Rod Stewart/Sting'
'TXXX:BARCODE'                                      '766482256969'
'TXXX:CATALOGNUMBER'                                'LK 19021996-1-L'
'TXXX:Mp3gain_minmax'                               '110,181'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'canadian', 'classic rock', 'pop', 'rock']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.480910'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a66e6688-89a1-478c-b4e6-59309bcf3fd1')

========================== row from database ==========================
                                              'id'  1306193
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sting/Bryan Adams, Rod Stewart, Sting - All For One, all For Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  285
                                           'genre'  rock-unsorted
                                        'filesize'  4620628
                                           'mtime'  1620391950
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sting Adams, Rod Stewart, Sting For One, all For rock unsorted
                                      'tag_artist'  Bryan Adams
                                     'tag_release'  None
                                       'tag_title'  All for Love
                                             'bpm'  150.0
                                    'search_title'  'all':1 'for':2 'love':3
                                   'search_artist'  'adams':2 'bryan':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'adams':3,4 'all':11 'for':8 'one':9,10 'rock':12 'rod':5 'stewart':6,7 'sting':2 'unsorted':13
                                    'search_combo'  '00poprockelectronic':6 'adams':5B,8,9 'all':1A,16 'bryan':4B 'for':2A,13 'love':3A 'one':14,15 'rock':17 'rod':10 'stewart':11,12 'sting':7 'unsorted':18
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'canadian', 'classic rock', 'pop', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620391949.7202945  (2021-05-07 14:52:29)
                             'size'  4620628