======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '310'
                                          'artist'  'Scorpions'
                                     'text_people'  'Klaus Meine'
                                         'release'  "60's, 70's & 80's Music"
                                           'title'  'Wind Of Change'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['heavy metal', '80s', 'rock', 'hard rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '100.058'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunNORM:eng'                                 (' 0000013A 0000013A 0000095A 0000096A 00038397 00034EFB 00002E42 00002C59 '
 '00036E01 0002FE9F')
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'PRIV:WM/WMCollectionID:\x0eRÎv|\x9a\x04Aº_ú\x9c\x8b-õ·'  PRIV(owner='WM/WMCollectionID', data=b'\x0eR\xcev|\x9a\x04A\xba_\xfa\x9c\x8b-\xf5\xb7')
'PRIV:WM/WMContentID:\x91[ëÃÕ\x89\x1cJ\x89¥\x93\x9dPó\x04æ'  PRIV(owner='WM/WMContentID', data=b'\x91[\xeb\xc3\xd5\x89\x1cJ\x89\xa5\x93\x9dP\xf3\x04\xe6')
'TALB' (Album/Movie/Show title)                     "60's, 70's & 80's Music"
'TBPM' (BPM (beats per minute))                     '100.058'
'TCOM' (Composer)                                   'Klaus Meine'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Wind Of Change'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scorpion'
'TPE2' (Band/orchestra/accompaniment)               'Scorpions'
'TPUB' (Publisher)                                  'Mercury'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['heavy metal', '80s', 'rock', 'hard rock', 'classic rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.04 dB'
'TXXX:replaygain_track_peak'                        '0.511116'

========================== row from database ==========================
                                              'id'  1311563
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/scorpion - wind of change208.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  310
                                           'genre'  eid-metal
                                        'filesize'  4976103
                                           'mtime'  1620301856
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] scorpion wind of change208 eid metal
                                      'tag_artist'  Scorpions
                                     'tag_release'  60's, 70's & 80's Music
                                       'tag_title'  Wind Of Change
                                             'bpm'  100.058
                                    'search_title'  'change':3 'of':2 'wind':1
                                   'search_artist'  'scorpions':1
                                  'search_release'  '60':1 '60s':3 '70':4 '70s':6 '80':7 '80s':9 'music':10 's':2,5,8
                                     'search_rest'  '00poprockelectronic':1 'change208':10 'eid':11 'files':5,6 'loose':3,4 'metal':12 'of':9 'scorpion':7 'unsorted':2 'wind':8
                                    'search_combo'  '00poprockelectronic':15 '60':5C '60s':7C '70':8C '70s':10C '80':11C '80s':13C 'change':3A 'change208':24 'eid':25 'files':19,20 'loose':17,18 'metal':26 'music':14C 'of':2A,23 's':6C,9C,12C 'scorpion':21 'scorpions':4B 'unsorted':16 'wind':1A,22
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['heavy metal', '80s', 'rock', 'hard rock', 'classic rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301855.79708  (2021-05-06 13:50:55)
                             'size'  4976103