======================== unified (from filesystem) ========================
                                         'bitrate'  '240.714'
                                        'duration'  '325'
                                          'artist'  'Cell'
                                     'text_people'  ''
                                         'release'  'Ketama Live'
                                           'title'  'Audio Deepest Night'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '08'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-psychill'
                                             'bpm'  '89.9'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Ketama Live'
'TBPM' (BPM (beats per minute))                     '89.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-psychill'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Audio Deepest Night'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cell'
'TPE2' (Band/orchestra/accompaniment)               'Cell'
'TRCK' (Track number/Position in set)               '03/08'
'TXXX:NOTES'                                        'Medieval CUE Splitter (www.medieval.it)'
'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', 'ambient']
'TXXX:lastfmtags'                                   ['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.23 dB'
'TXXX:replaygain_track_peak'                        '0.496657'

========================== row from database ==========================
                                              'id'  650541
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cell/(2008) Ketama Live/03. Audio Deepest Night.mp3
                                         'working'  None
                                         'bitrate'  240
                                    'duration_sec'  325
                                           'genre'  electronic-psychill
                                        'filesize'  9892720
                                           'mtime'  1636912153
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (2008) 03. electronic psychill
                                      'tag_artist'  Cell
                                     'tag_release'  Ketama Live
                                       'tag_title'  Audio Deepest Night
                                             'bpm'  89.9
                                    'search_title'  'audio':1 'deepest':2 'night':3
                                   'search_artist'  'cell':1
                                  'search_release'  'ketama':1 'live':2
                                     'search_rest'  '03':3,4 '2008':1,2 'electronic':5 'psychill':6
                                    'search_combo'  '03':9,10 '2008':7,8 'audio':1A 'cell':4B 'deepest':2A 'electronic':11 'ketama':5C 'live':6C 'night':3A 'psychill':12
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  5A
                                           '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['psychill', 'downtempo', 'psybient', 'ambient', 'electronic', 'chillout']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636912153.376596  (2021-11-14 18:49:13)
                             'size'  9892720