======================== unified (from filesystem) ========================
                                         'bitrate'  '226.191'
                                        'duration'  '412'
                                          'artist'  'Murcof'
                                     'text_people'  'im-calmer-ambient'
                                         'release'  'Martes'
                                           'title'  'Muim'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '124.698'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:·\x16\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xb7\x16\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Martes'
'TBPM' (BPM (beats per minute))                     '124.698'
'TCOM' (Composer)                                   'im-calmer-ambient'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Muim'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Murcof'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['electronica', 'idm', 'electronic', 'minimal', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.636272'

========================== row from database ==========================
                                              'id'  1301504
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Murcof/murcof/2002 - martes/08 - Muim.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  412
                                           'genre'  electronic-ambient
                                        'filesize'  11663596
                                           'mtime'  1636910725
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient murcof 2002 martes 08 electronic ambient
                                      'tag_artist'  Murcof
                                     'tag_release'  Martes
                                       'tag_title'  Muim
                                             'bpm'  124.698
                                    'search_title'  'muim':1
                                   'search_artist'  'murcof':1
                                  'search_release'  'martes':1
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2002':4 'ambient':7 'electronic':6 'martes':5 'murcof':3
                                    'search_combo'  '00ambient':5 '00poprockelectronic':4 '2002':7 'ambient':10 'electronic':9 'martes':3C,8 'muim':1A 'murcof':2B,6
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'minimal', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910724.5943751  (2021-11-14 18:25:24)
                             'size'  11663596