======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '345'
                                          'artist'  'Prince'
                                     'text_people'  ''
                                         'release'  'Diamonds And Pearls'
                                           'title'  'Thunder'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'rock', 'pop', 'funk']"
                                     'discogstags'  "['smooth jazz', 'pop rap', 'pop rock', 'funk', 'jazz', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk-pop'
                                             'bpm'  '120.113'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Diamonds And Pearls'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk-pop'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Thunder'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Prince'
'TPE2' (Band/orchestra/accompaniment)               'Prince'
'TRCK' (Track number/Position in set)               '1'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['smooth jazz', 'pop rap', 'pop rock', 'funk', 'jazz', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['80s', 'rock', 'pop', 'funk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.512963'

========================== row from database ==========================
                                              'id'  674367
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Prince/Diamonds And Pearls__MBZ;#Prince;#Diamonds And Pearls;#01;#Thunder.mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  345
                                           'genre'  funk or soul-funk-pop
                                        'filesize'  4836512
                                           'mtime'  1637330743
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Pearls__MBZ;#Prince;#Diamonds Pearls;#01;#Thunder funk or soul funk pop
                                      'tag_artist'  Prince
                                     'tag_release'  Diamonds And Pearls
                                       'tag_title'  Thunder
                                             'bpm'  120.113
                                    'search_title'  'thunder':1
                                   'search_artist'  'prince':1
                                  'search_release'  'and':2 'diamonds':1 'pearls':3
                                     'search_rest'  '01':14,17 'country':4 'diamonds':8,12 'exotica':2 'funk':19 'jazz':1 'mbz':6,10 'oldies':3 'or':20 'pearls':5,9,13,16 'pop':22 'prince':7,11 'soul':21 'thunder':15,18
                                    'search_combo'  '01':19,22 'and':4C 'country':9 'diamonds':3C,13,17 'exotica':7 'funk':24 'jazz':6 'mbz':11,15 'oldies':8 'or':25 'pearls':5C,10,14,18,21 'pop':27 'prince':2B,12,16 'soul':26 'thunder':1A,20,23
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['80s', 'rock', 'pop', 'funk']
                                        'tag_date'  1991
                                     'discogstags'  ['smooth jazz', 'pop rap', 'pop rock', 'funk', 'jazz', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1637330743.373718  (2021-11-19 15:05:43)
                             'size'  4836512