======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '133'
                                          'artist'  'Peter Pan Speedrock'
                                     'text_people'  ''
                                         'release'  'Lucky Bastards'
                                           'title'  'Peter Pan Speedrock - Always Drunk'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', '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 n roll', 'rock', 'hard rock', 'dutch', 'speedrock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-gr-speed'
                                             'bpm'  '127.284'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.OTHER (Other) b''
                                     
'PRIV:AverageLevel:Í$\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xcd$\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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')
'TALB' (Album/Movie/Show title)                     'Lucky Bastards'
'TBPM' (BPM (beats per minute))                     '127.284'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-speed'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Peter Pan Speedrock - Always Drunk'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '133773'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Pan Speedrock'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
'TXXX:original release date'                        ['2003', '2003']
'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'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.387324'

========================== row from database ==========================
                                              'id'  1296429
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Peter Pan Speedrock - Always Drunk.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  133
                                           'genre'  rock-gr-speed
                                        'filesize'  2142417
                                           'mtime'  1636917506
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] gr speed
                                      'tag_artist'  Peter Pan Speedrock
                                     'tag_release'  Lucky Bastards
                                       'tag_title'  Peter Pan Speedrock - Always Drunk
                                             'bpm'  127.284
                                    'search_title'  'always':4 'drunk':5 'pan':2 'peter':1 'speedrock':3
                                   'search_artist'  'pan':2 'peter':1 'speedrock':3
                                  'search_release'  'bastards':2 'lucky':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'gr':7 'loose':3,4 'speed':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'always':4A 'bastards':10C 'drunk':5A 'files':15,16 'gr':17 'loose':13,14 'lucky':9C 'pan':2A,7B 'peter':1A,6B 'speed':18 'speedrock':3A,8B 'unsorted':12
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rock n roll', 'rock', 'hard rock', 'dutch', 'speedrock']
                                        'tag_date'  2003
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917505.760707  (2021-11-14 20:18:25)
                             'size'  2142417