======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '133'
                                          'artist'  'Peter Pan Speedrock'
                                     'text_people'  'Peter Pan Speedrock'
                                         'release'  'Lucky Bastards'
                                           'title'  'Always Drunk, Always Loud, Always Right!'
                                           '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'  '127.927'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'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')
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"PRIV:WM/WMCollectionID:´ì®ûÍ\x1a;I\x9dÊÂ'\x8a\x89c\x90"  PRIV(owner='WM/WMCollectionID', data=b"\xb4\xec\xae\xfb\xcd\x1a;I\x9d\xca\xc2'\x8a\x89c\x90")
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'TALB' (Album/Movie/Show title)                     'Lucky Bastards'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCOM' (Composer)                                   'Peter Pan Speedrock'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-speed'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Always Drunk, Always Loud, Always Right!'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Pan Speedrock'
'TPE2' (Band/orchestra/accompaniment)               'Peter Pan Speedrock'
'TPUB' (Publisher)                                  'Bitzcore'
'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: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'                        '-1.56 dB'
'TXXX:replaygain_track_peak'                        '0.386869'

========================== row from database ==========================
                                              'id'  1491470
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Lucky Bastards/10-Always_Drunk,_Always_Loud,_Always_Right!.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  133
                                           'genre'  rock-gr-speed
                                        'filesize'  3215161
                                           'mtime'  1636917484
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 10 Always_Drunk,_Always_Loud,_Always_Right! gr speed
                                      'tag_artist'  Peter Pan Speedrock
                                     'tag_release'  Lucky Bastards
                                       'tag_title'  Always Drunk, Always Loud, Always Right!
                                             'bpm'  127.927
                                    'search_title'  'always':1 'drunk':2,3 'loud':4,5 'right':6
                                   'search_artist'  'pan':2 'peter':1 'speedrock':3
                                  'search_release'  'bastards':2 'lucky':1
                                     'search_rest'  '00dutch':4 '00mid':1 'always':5,7,9,11,13,15 'drunk':6,12 'europe':3 'gr':17 'loud':8,14 'north':2 'right':10,16 'speed':18
                                    'search_combo'  '00dutch':15 '00mid':12 'always':1A,16,18,20,22,24,26 'bastards':11C 'drunk':2A,3A,17,23 'europe':14 'gr':28 'loud':4A,5A,19,25 'lucky':10C 'north':13 'pan':8B 'peter':7B 'right':6A,21,27 'speed':29 'speedrock':9B
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             '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'  1636917484.3052  (2021-11-14 20:18:04)
                             'size'  3215161