======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '86'
                                          'artist'  'The Jimmy Castor Bunch'
                                     'text_people'  ''
                                         'release'  "It's Just Begun"
                                           'title'  'Creation (Prologue)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['funky', 'jazz', 'soul', 'funk', '70s']"
                                     'discogstags'  "['funk / soul', 'funk', 'soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '138.7'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'POPM:no@email'                                     POPM(email='no@email', rating=102, count=0)
'TALB' (Album/Movie/Show title)                     "It's Just Begun"
'TBPM' (BPM (beats per minute))                     '138.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TIT2' (Title/songname/content description)         'Creation (Prologue)'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jimmy Castor Bunch'
'TPE2' (Band/orchestra/accompaniment)               'The Jimmy Castor Bunch'
'TRCK' (Track number/Position in set)               '1'
'TXXX:DATE'                                         '1972'
'TXXX:MusicMagic Data'                              'AgEAPvr4llvObs63joWuSFCGgAGD9YACNgSkZicpgAHqZYABgAEPRq4ugAG1UIFxgOmAAc3PJbbLmoABgAHANyji4Ey7GasPgAKAAZZhqJy5DYYM+OMzi4qPgjODBQUsopc4DY1g5t2NAoNHBBa4vKVr3K2brYGygAHVJbVS+zapD4CWsXgDKe/Nt6q1P4DIgN0='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'funk', 'soul']
'TXXX:lastfmtags'                                   ['funky', 'jazz', 'soul', 'funk', '70s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.19 dB'
'TXXX:replaygain_track_peak'                        '0.686144'

========================== row from database ==========================
                                              'id'  1527409
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/jimmy castor bunch - 1972 it_s just begun/a1 - jimmy castor bunch - creation (prologue).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  86
                                           'genre'  funk or soul-funk
                                        'filesize'  2070538
                                           'mtime'  1620665728
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul jimmy castor bunch 1972 it_s just begun a1 jimmy castor bunch creation (prologue) funk soul funk
                                      'tag_artist'  The Jimmy Castor Bunch
                                     'tag_release'  It's Just Begun
                                       'tag_title'  Creation (Prologue)
                                             'bpm'  138.7
                                    'search_title'  'creation':1 'prologue':2,3
                                   'search_artist'  'bunch':4 'castor':3 'jimmy':2 'the':1
                                  'search_release'  'begun':5 'it':1 'its':3 'just':4 's':2
                                     'search_rest'  '1972':7 'a1':12 'begun':11 'bunch':6 'castor':5 'creation':13 'funk':2 'it':8 'jimmy':4 'just':10 'prologue':14,15 's':9 'soul':3 'swing':1
                                    'search_combo'  '1972':19 'a1':24 'begun':12C,23 'bunch':7B,18 'castor':6B,17 'creation':1A,25 'funk':14 'it':8C,20 'its':10C 'jimmy':5B,16 'just':11C,22 'prologue':2A,3A,26,27 's':9C,21 'soul':15 'swing':13 'the':4B
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['funky', 'jazz', 'soul', 'funk', '70s']
                                        'tag_date'  1972
                                     'discogstags'  ['funk / soul', 'funk', 'soul']

============================== file details ==============================
                                           'mtime'  1620665728.413489  (2021-05-10 18:55:28)
                             'size'  2070538