======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '182'
                                          'artist'  'Gary Glitter'
                                     'text_people'  ''
                                         'release'  'Gary Glitter Rocks!!!'
                                           'title'  'Rock and roll pt.2'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'rock-pop-glam'
                                             'bpm'  '111'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x007\x00+\x009\x006\x00+\x003\x004\x008\x008\x00+\x006\x006\x000\x008\x00+\x00A\x001\x009\x006\x00+\x00D\x007\x006\x001\x00+\x001\x001\x006\x00B\x00F\x00+\x001\x006\x003\x006\x004\x00+\x001\x009\x00F\x00A\x002\x00+\x001\x00D\x00A\x003\x007\x00+\x002\x000\x00F\x00D\x002\x00+\x002\x004\x008\x00B\x00E\x00+\x002\x004\x00E\x00B\x000\x00+\x002\x008\x00C\x004\x00C\x00+\x002\x00C\x004\x00E\x00E\x00+\x003\x000\x001\x009\x000\x00+\x003\x004\x006\x001\x00B\x00+\x003\x008\x000\x007\x00E\x00+\x003\x00B\x00A\x006\x004\x00+\x003\x00F\x00C\x00F\x00B\x00+\x004\x002\x00B\x008\x00D\x00+\x004\x006\x001\x00A\x003\x00+\x004\x009\x009\x009\x005\x00+\x004\x00D\x00C\x004\x005\x00+\x005\x001\x00F\x003\x001\x00\x00\x00')
'PRIV:AverageLevel:{\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x13\x00\x00')
'PRIV:PeakValue:!H\x00\x00'                         PRIV(owner='PeakValue', data=b'!H\x00\x00')
'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')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Gary Glitter Rocks!!!'
'TBPM' (BPM (beats per minute))                     '111'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-glam'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Rock and roll pt.2'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '182973'
'TPE1' (Lead performer(s)/Soloist(s))               'Gary Glitter'
'TPE2' (Band/orchestra/accompaniment)               'Gary Glitter'
'TRCK' (Track number/Position in set)               '9'
'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'                                   ['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.01 dB'
'TXXX:replaygain_track_peak'                        '0.522159'

========================== row from database ==========================
                                              'id'  1305752
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Gary Glitter Rocks!!!/09 Rock and roll pt.2.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  182
                                           'genre'  rock-pop-glam
                                        'filesize'  7327538
                                           'mtime'  1622659455
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 09 rock pop glam
                                      'tag_artist'  Gary Glitter
                                     'tag_release'  Gary Glitter Rocks!!!
                                       'tag_title'  Rock and roll pt.2
                                             'bpm'  111.0
                                    'search_title'  '2':5 'and':2 'pt':4 'pt2':6 'rock':1 'roll':3
                                   'search_artist'  'gary':1 'glitter':2
                                  'search_release'  'gary':1 'glitter':2 'rocks':3
                                     'search_rest'  '00poprockelectronic':1 'glam':6 'indierock':3 'pop':5 'poprock':2 'rock':4
                                    'search_combo'  '00poprockelectronic':12 '2':5A 'and':2A 'gary':7B,9C 'glam':17 'glitter':8B,10C 'indierock':14 'pop':16 'poprock':13 'pt':4A 'pt2':6A 'rock':1A,15 'rocks':11C 'roll':3A
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'british', '70s', 'glam', 'glam rock', 'classic rock']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659455.0238488  (2021-06-02 20:44:15)
                             'size'  7327538