======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '231'
                                          'artist'  'Cospe'
                                     'text_people'  ''
                                         'release'  'Super 1'
                                           'title'  'Cotton Candy'
                                           'quals'  ("['Q-HAP-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-2', 'Q-SYN-3', 'Q-OLDST-3', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-MIXBEAT-2', 'q-bass-3', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '127.2'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Super 1'
'TBPM' (BPM (beats per minute))                     '127.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         'Cotton Candy'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cospe'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-8.11 dB'
'TXXX:replaygain_track_peak'                        '1.065145'

========================== row from database ==========================
                                              'id'  1535473
                                            'path'  /data/Music/Bulk/00poprockelectronic/Cospe - Cotton Candy.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  231
                                           'genre'  electronic-generic or radio
                                        'filesize'  9289878
                                           'mtime'  1637522774
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic generic or radio
                                      'tag_artist'  Cospe
                                     'tag_release'  Super 1
                                       'tag_title'  Cotton Candy
                                             'bpm'  127.2
                                    'search_title'  'candy':2 'cotton':1
                                   'search_artist'  'cospe':1
                                  'search_release'  '1':2 'super':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'generic':3 'or':4 'radio':5
                                    'search_combo'  '00poprockelectronic':6 '1':5C 'candy':2A 'cospe':3B 'cotton':1A 'electronic':7 'generic':8 'or':9 'radio':10 'super':4C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-3', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  []
                                        'tag_date'  2016
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637522773.7908604  (2021-11-21 20:26:13)
                             'size'  9289878