======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '185'
                                          'artist'  'Pat Benatar'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1981'
                                           'title'  'Hit Me with Your Best Shot'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'classic rock', 'female vocalists', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '46'
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;rock-cppex;set-pl-billboard'
                                             'bpm'  '138.040'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1981'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'rock-cppex', 'set-pl-billboard']
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'Hit Me with Your Best Shot'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pat Benatar'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '46'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.617057'

========================== row from database ==========================
                                              'id'  1357763
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1981__046 - Pat Benatar - Hit Me with Your Best Shot.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  185
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;set-pl-billboard
                                        'filesize'  3719271
                                           'mtime'  1620737150
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1981__046 electronic generic or radio unsorted;rock cppex;set pl billboard
                                      'tag_artist'  Pat Benatar
                                     'tag_release'  Billboard Top Pop Singles of 1981
                                       'tag_title'  Hit Me with Your Best Shot
                                             'bpm'  138.04
                                    'search_title'  'best':5 'hit':1 'me':2 'shot':6 'with':3 'your':4
                                   'search_artist'  'benatar':2 'pat':1
                                  'search_release'  '1981':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '046':4 '1981':3 'billboard':18 'cppex':13,15 'electronic':5 'generic':6 'or':7 'pl':17 'radio':8 'rock':10,12 'set':14,16 'top100':2 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':15 '046':18 '1981':14C,17 'benatar':8B 'best':5A 'billboard':9C,32 'cppex':27,29 'electronic':19 'generic':20 'hit':1A 'me':2A 'of':13C 'or':21 'pat':7B 'pl':31 'pop':11C 'radio':22 'rock':24,26 'set':28,30 'shot':6A 'singles':12C 'top':10C 'top100':16 'unsorted':23,25 'with':3A 'your':4A
                                    'tag_tracknum'  46
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'female vocalists', 'pop', 'rock']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737150.1321461  (2021-05-11 14:45:50)
                             'size'  3719271