======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '190'
                                          'artist'  'Squirrel Nut Zippers'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Female Of The Species'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['retro swing', 'alternative', 'jazz', 'retro', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop'
                                             'bpm'  '107.095'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TBPM' (BPM (beats per minute))                     '107.095'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-pop'
'TIT2' (Title/songname/content description)         'Female Of The Species'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Squirrel Nut Zippers'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['retro swing', 'alternative', 'jazz', 'retro', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.07 dB'
'TXXX:replaygain_track_peak'                        '0.570732'

========================== row from database ==========================
                                              'id'  678764
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Squirrel Nut Zippers/Squirrel Nut Zippers - Female Of The Species.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  190
                                           'genre'  prerock-jb-jazz-pop
                                        'filesize'  3047759
                                           'mtime'  1620535606
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country prerock jb jazz pop
                                      'tag_artist'  Squirrel Nut Zippers
                                     'tag_release'  None
                                       'tag_title'  Female Of The Species
                                             'bpm'  107.095
                                    'search_title'  'female':1 'of':2 'species':4 'the':3
                                   'search_artist'  'nut':2 'squirrel':1 'zippers':3
                                  'search_release'  
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':6 'oldies':3 'pop':7 'prerock':5
                                    'search_combo'  'country':11 'exotica':9 'female':1A 'jazz':8 'jb':13 'nut':6B 'of':2A 'oldies':10 'pop':14 'prerock':12 'species':4A 'squirrel':5B 'the':3A 'zippers':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['retro swing', 'alternative', 'jazz', 'retro', 'swing']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620535605.7526362  (2021-05-09 06:46:45)
                             'size'  3047759