======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '217'
                                          'artist'  'Royal Crown Revue'
                                     'text_people'  ''
                                         'release'  "Mugzy's Move"
                                           'title'  'I Love the Life I Live'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swing revival', 'jazz', 'neo swing', 'swing']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '109.943'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     "Mugzy's Move"
'TBPM' (BPM (beats per minute))                     '109.943'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'I Love the Life I Live'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Royal Crown Revue'
'TPE2' (Band/orchestra/accompaniment)               'Royal Crown Revue'
'TRCK' (Track number/Position in set)               '4'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['swing revival', 'jazz', 'neo swing', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.99 dB'
'TXXX:replaygain_track_peak'                        '0.690843'

========================== row from database ==========================
                                              'id'  1525412
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Royal Crown Revue/Mugsy_s Move/04 - I Love the Life I Live.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  217
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6955812
                                           'mtime'  1620534261
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Mugsy_s 04 prerock jb jazz unsorted
                                      'tag_artist'  Royal Crown Revue
                                     'tag_release'  Mugzy's Move
                                       'tag_title'  I Love the Life I Live
                                             'bpm'  109.943
                                    'search_title'  'i':1 'life':4 'live':5 'love':2 'the':3
                                   'search_artist'  'crown':2 'revue':3 'royal':1
                                  'search_release'  'move':4 'mugzy':1 'mugzys':3 's':2
                                     'search_rest'  'country':4 'exotica':2 'jazz':1 'jb':8 'mugsy':5 'oldies':3 'prerock':7 's':6 'unsorted':9
                                    'search_combo'  'country':16 'crown':7B 'exotica':14 'i':1A 'jazz':13 'jb':20 'life':4A 'live':5A 'love':2A 'move':12C 'mugsy':17 'mugzy':9C 'mugzys':11C 'oldies':15 'prerock':19 'revue':8B 'royal':6B 's':10C,18 'the':3A 'unsorted':21
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['swing revival', 'jazz', 'neo swing', 'swing']
                                        'tag_date'  2003
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620534260.9396138  (2021-05-09 06:24:20)
                             'size'  6955812