======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '350'
                                          'artist'  'Boyz II Men'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'End Of The Road'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'new jack swing', 'rnb', 'soul', 'pop', 'r&b']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '145.685'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.685'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'End Of The Road'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Boyz II Men'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'new jack swing', 'rnb', 'soul', 'pop', 'r&b']
'TXXX:other'                                        '056'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.734614'

========================== row from database ==========================
                                              'id'  1319460
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/056 - Boys II Men - End Of The Road (1992).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  350
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  4903428
                                           'mtime'  1620384829
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 056 Boys (1992) electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Boyz II Men
                                     'tag_release'  None
                                       'tag_title'  End Of The Road
                                             'bpm'  145.685
                                    'search_title'  'end':1 'of':2 'road':4 'the':3
                                   'search_artist'  'boyz':1 'ii':2 'men':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1992':4,5 '90s':2 'billboard':15 'boys':3 'electronic':6 'generic':7 'or':8 'pl':14 'radio':9 'set':11,13 'unsorted':10,12
                                    'search_combo'  '00poprockelectronic':8 '1992':11,12 '90s':9 'billboard':22 'boys':10 'boyz':5B 'electronic':13 'end':1A 'generic':14 'ii':6B 'men':7B 'of':2A 'or':15 'pl':21 'radio':16 'road':4A 'set':18,20 'the':3A 'unsorted':17,19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'new jack swing', 'rnb', 'soul', 'pop', 'r&b']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384828.589423  (2021-05-07 12:53:48)
                             'size'  4903428