======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '341'
                                          'artist'  'George Duke'
                                     'text_people'  ''
                                         'release'  'Feel'
                                           'title'  'Old Slippers'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz piano', 'jazz funk', 'smooth jazz', 'jazz', 'fusion', 'funk']"
                                     'discogstags'  "['jazz', 'funk / soul', 'fusion', 'jazz-funk', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '99.665'
                                             'key'  '3A'
                                        '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)                     'Feel'
'TBPM' (BPM (beats per minute))                     '99.665'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Old Slippers'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'George Duke'
'TPE2' (Band/orchestra/accompaniment)               'George Duke'
'TRCK' (Track number/Position in set)               '6'
'TXXX:FMPS_Playcount'                               '1'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'funk / soul', 'fusion', 'jazz-funk', 'funk']
'TXXX:lastfmtags'                                   ['jazz piano', 'jazz funk', 'smooth jazz', 'jazz', 'fusion', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.37 dB'
'TXXX:replaygain_track_peak'                        '0.804517'

========================== row from database ==========================
                                              'id'  676137
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Unsorted/George Duke__Feel__06 - Old Slippers.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  341
                                           'genre'  funk or soul
                                        'filesize'  5471474
                                           'mtime'  1628357771
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Unsorted Duke__Feel__06 funk soul
                                      'tag_artist'  George Duke
                                     'tag_release'  Feel
                                       'tag_title'  Old Slippers
                                             'bpm'  99.665
                                    'search_title'  'old':1 'slippers':2
                                   'search_artist'  'duke':2 'george':1
                                  'search_release'  'feel':1
                                     'search_rest'  '06':8 'country':4 'duke':6 'exotica':2 'feel':7 'funk':9 'jazz':1 'oldies':3 'soul':10 'unsorted':5
                                    'search_combo'  '06':13 'country':9 'duke':4B,11 'exotica':7 'feel':5C,12 'funk':14 'george':3B 'jazz':6 'old':1A 'oldies':8 'slippers':2A 'soul':15 'unsorted':10
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['jazz piano', 'jazz funk', 'smooth jazz', 'jazz', 'fusion', 'funk']
                                        'tag_date'  1998
                                     'discogstags'  ['jazz', 'funk / soul', 'fusion', 'jazz-funk', 'funk']

============================== file details ==============================
                                           'mtime'  1628357770.7842557  (2021-08-07 19:36:10)
                             'size'  5471474