======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '4563'
                                          'artist'  "Cio D'Or"
                                     'text_people'  ''
                                         'release'  'Resident Advisor podcast'
                                           'title'  "RA.219 Cio D'Or - 2010.08.09"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['minimal techno', 'techno', 'electronic', 'minimal', 'deep minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '219'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '123.256'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Resident Advisor podcast'
'TBPM' (BPM (beats per minute))                     '123.256'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "RA.219 Cio D'Or - 2010.08.09"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "Cio D'Or"
'TRCK' (Track number/Position in set)               '219'
'TXXX:Band'                                         'Master '
'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'                                   ['minimal techno', 'techno', 'electronic', 'minimal', 'deep minimal']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.52 dB'
'TXXX:replaygain_track_peak'                        '0.713147'

========================== row from database ==========================
                                              'id'  1504406
                                            'path'  /data/Music/Bulk/00poprockelectronic/RA/219 RA.219 Cio D_Or - 2010.08.09.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  4563
                                           'genre'  electronic-unsorted
                                        'filesize'  91310138
                                           'mtime'  1620571819
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic D_Or electronic unsorted
                                      'tag_artist'  Cio D'Or
                                     'tag_release'  Resident Advisor podcast
                                       'tag_title'  RA.219 Cio D'Or - 2010.08.09
                                             'bpm'  123.256
                                    'search_title'  '08':9 '09':10 '2010':8 '20100809':11 '219':2 'cio':4 'd':5 'dor':7 'or':6 'ra':1 'ra219':3
                                   'search_artist'  'cio':1 'd':2 'dor':4 'or':3
                                  'search_release'  'advisor':2 'podcast':3 'resident':1
                                     'search_rest'  '00poprockelectronic':1 'd':2 'electronic':4 'or':3 'unsorted':5
                                    'search_combo'  '00poprockelectronic':19 '08':9A '09':10A '2010':8A '20100809':11A '219':2A 'advisor':17C 'cio':4A,12B 'd':5A,13B,20 'dor':7A,15B 'electronic':22 'or':6A,14B,21 'podcast':18C 'ra':1A 'ra219':3A 'resident':16C 'unsorted':23
                                    'tag_tracknum'  219
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'techno', 'electronic', 'minimal', 'deep minimal']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571818.7106678  (2021-05-09 16:50:18)
                             'size'  91310138