======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '135'
                                          'artist'  'Jones, Gloria'
                                     'text_people'  ''
                                         'release'  '38 Soulklassiker 1960-69 [Disc 1]'
                                           'title'  'Tainted Love'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soul', 'bolan', 'northen soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '19'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '142.708'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 00000D7F 00000DB1 00006027 0000610C 0000B6DB 0000B6DB 00008000 00008000 '
 '0000B695 000036B1')
'COMM:iTunes_CDDB_IDs:eng'                          '19+E4A2996ABE0E58A64119722421334540+513155'
'TALB' (Album/Movie/Show title)                     '38 Soulklassiker 1960-69 [Disc 1]'
'TBPM' (BPM (beats per minute))                     '142.708'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes v4.1.1.54'
'TIT2' (Title/songname/content description)         'Tainted Love'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jones, Gloria'
'TRCK' (Track number/Position in set)               '12/19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soul', 'bolan', 'northen soul']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.428216'

========================== row from database ==========================
                                              'id'  1358666
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/gloria jones - tainted love.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  135
                                           'genre'  funk or soul
                                        'filesize'  5416553
                                           'mtime'  1628357959
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] gloria jones tainted love funk soul
                                      'tag_artist'  Jones, Gloria
                                     'tag_release'  38 Soulklassiker 1960-69 [Disc 1]
                                       'tag_title'  Tainted Love
                                             'bpm'  142.708
                                    'search_title'  'love':2 'tainted':1
                                   'search_artist'  'gloria':3 'jones':1,2
                                  'search_release'  '1':8,9 '1960':3 '196069':5 '38':1 '69':4 'disc':6,7 'soulklassiker':2
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'funk':11 'gloria':7 'jones':8 'loose':3,4 'love':10 'soul':12 'tainted':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':15 '1':13C,14C '1960':8C '196069':10C '38':6C '69':9C 'disc':11C,12C 'files':19,20 'funk':25 'gloria':5B,21 'jones':3B,4B,22 'loose':17,18 'love':2A,24 'soul':26 'soulklassiker':7C 'tainted':1A,23 'unsorted':16
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['soul', 'bolan', 'northen soul']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357959.3730085  (2021-08-07 19:39:19)
                             'size'  5416553