======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '239'
                                          'artist'  'Katrina &The Waves'
                                     'text_people'  ''
                                         'release'  'The Billboard. The Hot 100'
                                           'title'  'Walking On Sunshine'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', '80s', 'rock', 'new wave', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '076'
                                      'tracktotal'  '100'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '110.182'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000855 000007BE 00003373'
'COMM:iTunNORM:spa'                                 (' 00000855 000007BE 00003373 00003F93 0001E343 00010FA7 00007FDA 00007F96 '
 '000011DE 000270F1')
'TALB' (Album/Movie/Show title)                     'The Billboard. The Hot 100'
'TBPM' (BPM (beats per minute))                     '110.182'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Walking On Sunshine'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Katrina &The Waves'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '20/23'
'TRCK' (Track number/Position in set)               '076/100'
'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:lastfmtags'                                   ['pop', '80s', 'rock', 'new wave', 'female vocalists']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.23 dB'
'TXXX:replaygain_track_peak'                        '0.593930'

========================== row from database ==========================
                                              'id'  1293520
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/088 Katrina &The Waves - Walking On Sunshine.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  239
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  9697152
                                           'mtime'  1620565414
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 088 electronic we new wave or post punk
                                      'tag_artist'  Katrina &The Waves
                                     'tag_release'  The Billboard. The Hot 100
                                       'tag_title'  Walking On Sunshine
                                             'bpm'  110.182
                                    'search_title'  'on':2 'sunshine':3 'walking':1
                                   'search_artist'  'katrina':1 'the':2,3 'waves':4
                                  'search_release'  '100':5 'billboard':2,3 'hot':4 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 'complete':3 'electronic':4 'new':6 'or':8 'post':9 'punk':10 'wave':7 'we':5
                                    'search_combo'  '00poprockelectronic':13 '100':12C '1985':14 'billboard':9C,10C 'complete':15 'electronic':16 'hot':11C 'katrina':4B 'new':18 'on':2A 'or':20 'post':21 'punk':22 'sunshine':3A 'the':5B,6B,8C 'walking':1A 'wave':19 'waves':7B 'we':17
                                    'tag_tracknum'  76
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', '80s', 'rock', 'new wave', 'female vocalists']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620565413.7537112  (2021-05-09 15:03:33)
                             'size'  9697152