======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '399'
                                          'artist'  'Red Snapper'
                                     'text_people'  ''
                                         'release'  'Prince Blimey'
                                           'title'  'Crusoe Takes A Trip'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '85.597'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000003A2 000002A1 00000E32 00000C0E 00030D57 00030D57 00007FA7 00008000 '
 '0005093E 0005093E')
'MCDI' (Music CD identifier)                        MCDI(data=b'C\x00+\x009\x006\x00+\x007\x005\x00A\x00A\x00+\x00D\x00C\x006\x009\x00+\x001\x004\x000\x006\x00E\x00+\x001\x008\x009\x003\x00B\x00+\x001\x00E\x005\x00A\x000\x00+\x002\x000\x005\x00B\x002\x00+\x002\x006\x008\x00E\x007\x00+\x002\x00B\x002\x002\x003\x00+\x002\x00F\x00D\x00A\x000\x00+\x003\x007\x009\x00B\x00A\x00+\x003\x00D\x004\x00B\x00E\x00+\x004\x003\x007\x00C\x00E\x00\x00\x00')
'PRIV:AverageLevel:þ\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xfe\x19\x00\x00')
'PRIV:PeakValue:ÿ~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xff~\x00\x00')
'TALB' (Album/Movie/Show title)                     'Prince Blimey'
'TBPM' (BPM (beats per minute))                     '85.597'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Crusoe Takes A Trip'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '399626'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Snapper'
'TPE2' (Band/orchestra/accompaniment)               'Red Snapper'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.621867'

========================== row from database ==========================
                                              'id'  1335408
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Red Snapper/Prince Blimey/01 Crusoe Takes A Trip.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  399
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  12777167
                                           'mtime'  1636910883
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 01 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Red Snapper
                                     'tag_release'  Prince Blimey
                                       'tag_title'  Crusoe Takes A Trip
                                             'bpm'  85.597
                                    'search_title'  'a':3 'crusoe':1 'takes':2 'trip':4
                                   'search_artist'  'red':1 'snapper':2
                                  'search_release'  'blimey':2 'prince':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':8 'downtempo':7 'electronic':3 'hop':5 'jazz':9 'or':6 'trip':4
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 'a':3A 'acid':16 'blimey':8C 'crusoe':1A 'downtempo':15 'electronic':11 'hop':13 'jazz':17 'or':14 'prince':7C 'red':5B 'snapper':6B 'takes':2A 'trip':4A,12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'downtempo', 'acid jazz', 'trip hop', 'chillout']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910883.4885566  (2021-11-14 18:28:03)
                             'size'  12777167