======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '333'
                                          'artist'  'Mr Mister'
                                     'text_people'  ''
                                         'release'  'top100'
                                           'title'  'Broken wings'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-OLDST-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['80s', 'pop', 'new wave', 'rock', 'classic rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;set-pl-zomg80s;set-pl-billboard'
                                             'bpm'  '132.098'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'top100'
'TBPM' (BPM (beats per minute))                     '132.098'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'set-pl-zomg80s', 'set-pl-billboard']
'TIT2' (Title/songname/content description)         'Broken wings'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mr Mister'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '043,185'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:Tracknum'                                     '057'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'pop', 'new wave', 'rock', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.636278'

========================== row from database ==========================
                                              'id'  1405867
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/top100/057-Mr_Mister-Broken_wings.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  333
                                           'genre'  electronic-generic or radio-dance;set-pl-zomg80s;set-pl-billboard
                                        'filesize'  5338141
                                           'mtime'  1620384757
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 057 Mr_Mister Broken_wings electronic generic or radio dance;set pl zomg80s;set pl billboard
                                      'tag_artist'  Mr Mister
                                     'tag_release'  top100
                                       'tag_title'  Broken wings
                                             'bpm'  132.098
                                    'search_title'  'broken':1 'wings':2
                                   'search_artist'  'mister':2 'mr':1
                                  'search_release'  'top100':1
                                     'search_rest'  '00poprockelectronic':1 'billboard':21 'broken':7 'dance':3,12,14 'electronic':9 'generic':2 'mister':6 'mr':5 'or':10 'pl':16 'radio':11 'set':13,15,18,20 'trapbeat':4 'wings':8 'zomg80s':17,19
                                    'search_combo'  '00poprockelectronic':6 'billboard':26 'broken':1A,12 'dance':8,17,19 'electronic':14 'generic':7 'mister':4B,11 'mr':3B,10 'or':15 'pl':21 'radio':16 'set':18,20,23,25 'top100':5C 'trapbeat':9 'wings':2A,13 'zomg80s':22,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'pop', 'new wave', 'rock', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620384756.6482358  (2021-05-07 12:52:36)
                             'size'  5338141