======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '3052'
                                          'artist'  'Visible Cloaks'
                                     'text_people'  'mixed by Visible Cloaks'
                                         'release'  'Resident Advisor podcast'
                                           'title'  'RA.560 Visible Cloaks - 2017.02.20'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ambient', 'electronic', 'new age', 'progressive electronic']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '560'
                                      'tracktotal'  ''
                                            'date'  '2017'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '115.788'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::XXX'                                         ('Find out more about RA.5XX with X on Resident Advisor: '
 'www.residentadvisor.net/podcast-episode.aspx?id=5XX')
'COMM::eng'                                         ('Find out more about RA.560 with Visible Cloaks on Resident Advisor: '
 'www.residentadvisor.net/podcast-episode.aspx?id=560')
'COMM:ID3v1 Comment:XXX'                            'Find out more about RA.5XX w'
'TALB' (Album/Movie/Show title)                     'Resident Advisor podcast'
'TBPM' (BPM (beats per minute))                     '115.788'
'TCOM' (Composer)                                   'mixed by Visible Cloaks'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2017'
'TIT2' (Title/songname/content description)         'RA.560 Visible Cloaks - 2017.02.20'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Visible Cloaks'
'TRCK' (Track number/Position in set)               '560'
'TSOC'                                              'mixed by Visible Cloaks'
'TSOP' (Performer sort order)                       'Visible Cloaks'
'TSOT' (Title sort order)                           'RA.560 Visible Cloaks - 2017.02.20'
'TXXX:Q-HAP'                                        '2'
'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'                                   ['ambient', 'electronic', 'new age', 'progressive electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.93 dB'
'TXXX:replaygain_track_peak'                        '0.542779'

========================== row from database ==========================
                                              'id'  1353803
                                            'path'  /data/Music/Bulk/00poprockelectronic/RA/560 RA.560 Visible Cloaks - 2017.02.20.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  3052
                                           'genre'  electronic-unsorted
                                        'filesize'  122358067
                                           'mtime'  1647350754
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic unsorted
                                      'tag_artist'  Visible Cloaks
                                     'tag_release'  Resident Advisor podcast
                                       'tag_title'  RA.560 Visible Cloaks - 2017.02.20
                                             'bpm'  115.788
                                    'search_title'  '02':7 '20':8 '2017':6 '20170220':9 '560':2 'cloaks':5 'ra':1 'ra560':3 'visible':4
                                   'search_artist'  'cloaks':2 'visible':1
                                  'search_release'  'advisor':2 'podcast':3 'resident':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':15 '02':7A '20':8A '2017':6A '20170220':9A '560':2A 'advisor':13C 'cloaks':5A,11B 'electronic':16 'podcast':14C 'ra':1A 'ra560':3A 'resident':12C 'unsorted':17 'visible':4A,10B
                                    'tag_tracknum'  560
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']
                                      'lastfmtags'  ['ambient', 'electronic', 'new age', 'progressive electronic']
                                        'tag_date'  2017
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1647350754.1926208  (2022-03-15 14:25:54)
                             'size'  122358067