======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '310'
                                          'artist'  'Amorphous Androgynous'
                                     'text_people'  ''
                                         'release'  'Progsoup 44'
                                           'title'  'Rated X'
                                           '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-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['electronica', 'psychedelic rock', 'psychedelic', 'ambient', 'electronic', "
 "'chillout']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '119.405'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'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)                     'Progsoup 44'
'TBPM' (BPM (beats per minute))                     '119.405'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Rated X'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amorphous Androgynous'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '32'
'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:lastfmtags'                                   ['electronica',
 'psychedelic rock',
 'psychedelic',
 'ambient',
 'electronic',
 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.99 dB'
'TXXX:replaygain_track_peak'                        '0.712395'

========================== row from database ==========================
                                              'id'  1411422
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 44/2543 miles davis - rated x.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  310
                                           'genre'  rock-cppex-progressive
                                        'filesize'  12506033
                                           'mtime'  1620737438
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 2543 miles davis rated x rock cppex progressive
                                      'tag_artist'  Amorphous Androgynous
                                     'tag_release'  Progsoup 44
                                       'tag_title'  Rated X
                                             'bpm'  119.405
                                    'search_title'  'rated':1 'x':2
                                   'search_artist'  'amorphous':1 'androgynous':2
                                  'search_release'  '44':2 'progsoup':1
                                     'search_rest'  '2543':3 'classicprogpsy':1 'cppex':9 'davis':5 'miles':4 'progressive':10 'progsoup':2 'rated':6 'rock':8 'x':7
                                    'search_combo'  '2543':9 '44':6C 'amorphous':3B 'androgynous':4B 'classicprogpsy':7 'cppex':15 'davis':11 'miles':10 'progressive':16 'progsoup':5C,8 'rated':1A,12 'rock':14 'x':2A,13
                                    'tag_tracknum'  32
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'psychedelic rock', 'psychedelic', 'ambient', 'electronic', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737437.5225804  (2021-05-11 14:50:37)
                             'size'  12506033