======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '242'
                                          'artist'  'Tori Amos'
                                     'text_people'  ''
                                         'release'  'Cornflake Girl (Maxi)'
                                           'title'  'Sister Janet'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-PLAY-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-1', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '124.468'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Cornflake Girl (Maxi)'
'TBPM' (BPM (beats per minute))                     '124.468'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Sister Janet'
'TKEY' (Initial key)                                '2A'
'TLEN' (Length)                                     '242076'
'TPE1' (Lead performer(s)/Soloist(s))               'Tori Amos'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.60 dB'
'TXXX:replaygain_track_peak'                        '0.566329'

========================== row from database ==========================
                                              'id'  858726
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Tori Amos/Cornflake Girl (Maxi)/02Tori Amos - Sister Janet.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  242
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  4843583
                                           'mtime'  1620647047
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 02Tori ifs songwriter eos
                                      'tag_artist'  Tori Amos
                                     'tag_release'  Cornflake Girl (Maxi)
                                       'tag_title'  Sister Janet
                                             'bpm'  124.468
                                    'search_title'  'janet':2 'sister':1
                                   'search_artist'  'amos':2 'tori':1
                                  'search_release'  'cornflake':1 'girl':2 'maxi':3,4
                                     'search_rest'  '00singer':1 '02tori':4 'eos':3 'ifs':5 'songwriter':2
                                    'search_combo'  '00singer':9 '02tori':12 'amos':4B 'cornflake':5C 'eos':11 'girl':6C 'ifs':13 'janet':2A 'maxi':7C,8C 'sister':1A 'songwriter':10 'tori':3B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['90s', 'piano', 'female vocalists', 'alternative', 'singer songwriter']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620647047.2449133  (2021-05-10 13:44:07)
                             'size'  4843583