======================== unified (from filesystem) ========================
                                         'bitrate'  '128.101'
                                        'duration'  '218'
                                          'artist'  'The Nylons'
                                     'text_people'  ''
                                         'release'  'The Nylons'
                                           'title'  'Love Potion #9 / Spooky'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-1', "
 "'q-busy-1', 'q-grit-1', 'q-play-2', 'Q-JZFKS-1', 'q-chart-1', 'q-drums-3', "
 "'q-other-1', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['a cappella', 'canadian', '80s', 'vocal group', 'acapella']"
                                     'discogstags'  "['rock', 'pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-a capella'
                                             'bpm'  '102.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'The Nylons'
'TBPM' (BPM (beats per minute))                     '102.3'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-a capella'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Love Potion #9 / Spooky'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Nylons'
'TRCK' (Track number/Position in set)               '2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'vocal']
'TXXX:lastfmtags'                                   ['a cappella', 'canadian', '80s', 'vocal group', 'acapella']
'TXXX:original release date'                        ['1985', '1995']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.670629'

========================== row from database ==========================
                                              'id'  1476403
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Rockapella/Rockapella - Spooky.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  218
                                           'genre'  ifs-songwriter-a capella
                                        'filesize'  3533302
                                           'mtime'  1638554943
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Rockapella Rockapella ifs songwriter a capella
                                      'tag_artist'  The Nylons
                                     'tag_release'  The Nylons
                                       'tag_title'  Love Potion #9 / Spooky
                                             'bpm'  102.3
                                    'search_title'  '9':3,4 'love':1 'potion':2 'spooky':5
                                   'search_artist'  'nylons':2 'the':1
                                  'search_release'  'nylons':2 'the':1
                                     'search_rest'  '00singer':1 'a':6 'capella':7 'eos':3 'ifs':5 'rockapella':4 'songwriter':2
                                    'search_combo'  '00singer':10 '9':3A,4A 'a':15 'capella':16 'eos':12 'ifs':14 'love':1A 'nylons':7B,9C 'potion':2A 'rockapella':13 'songwriter':11 'spooky':5A 'the':6B,8C
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['a cappella', 'canadian', '80s', 'vocal group', 'acapella']
                                        'tag_date'  1995
                                     'discogstags'  ['rock', 'pop', 'vocal']

============================== file details ==============================
                                           'mtime'  1638554943.196621  (2021-12-03 19:09:03)
                             'size'  3533302