======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '241'
                                          'artist'  'Babyface'
                                     'text_people'  ''
                                         'release'  "90's Pop Hits"
                                           'title'  'This Is For The Lover In You'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '94.021'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "90's Pop Hits"
'TBPM' (BPM (beats per minute))                     '94.021'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'This Is For The Lover In You'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Babyface'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.45 dB'
'TXXX:replaygain_track_peak'                        '0.798217'

========================== row from database ==========================
                                              'id'  1309887
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/11. Babyface - This Is For The Lover In You.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  241
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  3918826
                                           'mtime'  1620566598
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 11. electronic generic radio unsorted
                                      'tag_artist'  Babyface
                                     'tag_release'  90's Pop Hits
                                       'tag_title'  This Is For The Lover In You
                                             'bpm'  94.021
                                    'search_title'  'for':3 'in':6 'is':2 'lover':5 'the':4 'this':1 'you':7
                                   'search_artist'  'babyface':1
                                  'search_release'  '90':1 '90s':3 'hits':5 'pop':4 's':2
                                     'search_rest'  '00poprockelectronic':1 '11':3,4 '90s':2 'electronic':5 'generic':6 'radio':7 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 '11':16,17 '90':9C '90s':11C,15 'babyface':8B 'electronic':18 'for':3A 'generic':19 'hits':13C 'in':6A 'is':2A 'lover':5A 'pop':12C 'radio':20 's':10C 'the':4A 'this':1A 'unsorted':21 'you':7A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-2', '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-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'soul', 'pop', 'male vocalists', 'rhythm and blues']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620566598.4154384  (2021-05-09 15:23:18)
                             'size'  3918826