======================== unified (from filesystem) ========================
                                         'bitrate'  '24.0'
                                        'duration'  '452'
                                          'artist'  'Walter Carlos'
                                     'text_people'  ''
                                         'release'  'R.A.Moog Demonstration Record'
                                           'title'  'Moog 900 Series Demo'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-4', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronic', 'soundtrack', 'classical', 'earwaves', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'mi-earlysynth-moog'
                                             'bpm'  '93.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Preference:\x00\x00\x00'           'None'
'COMM:MusicMatch_Tempo:\x00\x00\x00'                'None'
'PRIV:AverageLevel:\x13\x08\x00\x00'                PRIV(owner='AverageLevel', data=b'\x13\x08\x00\x00')
'PRIV:PeakValue:M;\x00\x00'                         PRIV(owner='PeakValue', data=b'M;\x00\x00')
'TALB' (Album/Movie/Show title)                     'R.A.Moog Demonstration Record'
'TBPM' (BPM (beats per minute))                     '93.9'
'TCON' (Content type, a.k.a. Genre)                 'mi-earlysynth-moog'
'TIT2' (Title/songname/content description)         'Moog 900 Series Demo'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '543000'
'TPE1' (Lead performer(s)/Soloist(s))               'Walter Carlos'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronic', 'soundtrack', 'classical', 'earwaves', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'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'                                        '4'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.43 dB'
'TXXX:replaygain_track_peak'                        '0.655239'

========================== row from database ==========================
                                              'id'  973479
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Wendy Carlos/walter carlos - moog 900 series demostration record.mp3
                                         'working'  None
                                         'bitrate'  24
                                    'duration_sec'  452
                                           'genre'  mi-earlysynth-moog
                                        'filesize'  1411371
                                           'mtime'  1676046463
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Wendy walter carlos moog series demostration record mi earlysynth moog
                                      'tag_artist'  Walter Carlos
                                     'tag_release'  R.A.Moog Demonstration Record
                                       'tag_title'  Moog 900 Series Demo
                                             'bpm'  93.9
                                    'search_title'  '900':2 'demo':4 'moog':1 'series':3
                                   'search_artist'  'carlos':2 'walter':1
                                  'search_release'  'a':2 'demonstration':5 'moog':3 'r':1 'ramoog':4 'record':6
                                     'search_rest'  'carlos':3 'demostration':6 'earlysynth':9 'mi':8 'moog':4 'record':7 'series':5 'walter':2 'wendy':1
                                    'search_combo'  '900':2A 'a':8C 'carlos':6B,15 'demo':4A 'demonstration':11C 'demostration':18 'earlysynth':21 'mi':20 'moog':1A,9C,16 'r':7C 'ramoog':10C 'record':12C,19 'series':3A,17 'walter':5B,14 'wendy':13
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-4', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['electronic', 'soundtrack', 'classical', 'earwaves', 'experimental']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676046462.9415467  (2023-02-10 17:27:42)
                             'size'  1411371