======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '230'
                                          'artist'  "Shakespear's Sister"
                                     'text_people'  ''
                                         'release'  "100 Hits Of The 90's Disc 3"
                                           'title'  'Stay'
                                           'quals'  ("['Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'female vocalists', 'pop', 'new wave', '80s', 'alternative']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-pop;set-pl-billboard'
                                             'bpm'  '96.346'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "100 Hits Of The 90's Disc 3"
'TBPM' (BPM (beats per minute))                     '96.346'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop', 'set-pl-billboard']
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'Black1000'
'TIT2' (Title/songname/content description)         'Stay'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               "Shakespear's Sister"
'TRCK' (Track number/Position in set)               '20'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'female vocalists', 'pop', 'new wave', '80s', 'alternative']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.56 dB'
'TXXX:replaygain_track_peak'                        '0.581650'

========================== row from database ==========================
                                              'id'  1503675
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/20 - Shakespear_s Sister - Stay.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  rock-pop;set-pl-billboard
                                        'filesize'  5530058
                                           'mtime'  1620389178
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 20 Shakespear_s rock pop;set pl billboard
                                      'tag_artist'  Shakespear's Sister
                                     'tag_release'  100 Hits Of The 90's Disc 3
                                       'tag_title'  Stay
                                             'bpm'  96.346
                                    'search_title'  'stay':1
                                   'search_artist'  's':2 'shakespear':1 'shakespears':3 'sister':4
                                  'search_release'  '100':1 '3':9 '90':5 '90s':7 'disc':8 'hits':2 'of':3 's':6 'the':4
                                     'search_rest'  '00poprockelectronic':1 '20':3 '90s':2 'billboard':12 'pl':11 'pop':7,9 'rock':6 's':5 'set':8,10 'shakespear':4
                                    'search_combo'  '00poprockelectronic':15 '100':6C '20':17 '3':14C '90':10C '90s':12C,16 'billboard':26 'disc':13C 'hits':7C 'of':8C 'pl':25 'pop':21,23 'rock':20 's':3B,11C,19 'set':22,24 'shakespear':2B,18 'shakespears':4B 'sister':5B 'stay':1A 'the':9C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'female vocalists', 'pop', 'new wave', '80s', 'alternative']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389177.8346279  (2021-05-07 14:06:17)
                             'size'  5530058