======================== unified (from filesystem) ========================
                                         'bitrate'  '209.942'
                                        'duration'  '390'
                                          'artist'  'Alquin'
                                     'text_people'  ''
                                         'release'  'progsoup 52 (nederprog)'
                                           'title'  'behind the tree'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'classic rock', 'progressive rock', 'dutch']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '11'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '99.910'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000CF0 00000000 0000B490'
'COMM:iTunNORM:eng'                                 (' 00000CF0 00000000 0000B490 00000000 000301F0 00000000 00008000 00000000 '
 '000152C5 00000000')
'PRIV:http://www.cdtag.com:\x02\x00Ñ:\\\x00'        PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xd1:\\\x00')
'TALB' (Album/Movie/Show title)                     'progsoup 52 (nederprog)'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2009-09-11'
'TIT2' (Title/songname/content description)         'behind the tree'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Alquin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Universal Music'
'TRCK' (Track number/Position in set)               '5/11'
'TSSE' (Software/Hardware and settings used for encoding)  'Lame 3.97'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:Release type'                                 'Normal'
'TXXX:Rip date'                                     '2009-09-15'
'TXXX:Ripping tool'                                 'EAC'
'TXXX:Source'                                       'CD'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', 'classic rock', 'progressive rock', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.93 dB'
'TXXX:replaygain_track_peak'                        '0.428197'

========================== row from database ==========================
                                              'id'  1410190
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 52 (nederprog)/2933 alquin  -behind the tree.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  390
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10246401
                                           'mtime'  1620737550
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP 2933 alquin rock cppex progressive
                                      'tag_artist'  Alquin
                                     'tag_release'  progsoup 52 (nederprog)
                                       'tag_title'  behind the tree
                                             'bpm'  99.91
                                    'search_title'  'behind':1 'the':2 'tree':3
                                   'search_artist'  'alquin':1
                                  'search_release'  '52':2 'nederprog':3,4 'progsoup':1
                                     'search_rest'  '2933':3 'alquin':4 'classicprogpsy':1 'cppex':6 'progressive':7 'progsoup':2 'rock':5
                                    'search_combo'  '2933':11 '52':6C 'alquin':4B,12 'behind':1A 'classicprogpsy':9 'cppex':14 'nederprog':7C,8C 'progressive':15 'progsoup':5C,10 'rock':13 'the':2A 'tree':3A
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'classic rock', 'progressive rock', 'dutch']
                                        'tag_date'  2009
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737550.4252458  (2021-05-11 14:52:30)
                             'size'  10246401