======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '325'
                                          'artist'  'Röyksopp'
                                     'text_people'  ''
                                         'release'  'Melody A.M.'
                                           'title'  'Sparks'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-4', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic', 'leftfield', 'downtempo', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '85.2'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=204, count=1)
'TALB' (Album/Movie/Show title)                     'Melody A.M.'
'TBPM' (BPM (beats per minute))                     '85.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TIT2' (Title/songname/content description)         'Sparks'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Röyksopp'
'TPE2' (Band/orchestra/accompaniment)               'Röyksopp'
'TRCK' (Track number/Position in set)               '3'
'TXXX:FMPS_Playcount'                               '1'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '109,199'
'TXXX:MusicMagic Data'                              'AgEAAnrAlkeZeJpXgM/aFzmZgAGBmYACytaRwmTtwBOss4ABgAHO0668ufnkFo7zghqAAbEDjDUTQey1gAHgl/Zq6hyYX64ji4iWUpiNnGSngoFnBbA/qetOg7iDTcr3k2tYYcr48iCoeIMDyJOv0s4j6NTGbIRTgAHqfpZq9/kE/YDB4l/sFAr1pVbQmLxGg6Q='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'leftfield', 'downtempo', 'trip hop']
'TXXX:lastfmtags'                                   ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '4'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.99 dB'
'TXXX:replaygain_track_peak'                        '0.812252'

========================== row from database ==========================
                                              'id'  1462173
                                            'path'  /data/Music/Bulk/00poprockelectronic/Royksopp/03. Sparks.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  325
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  7821197
                                           'mtime'  1628353837
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Royksopp 03. electronic we electropop or synthpop
                                      'tag_artist'  Röyksopp
                                     'tag_release'  Melody A.M.
                                       'tag_title'  Sparks
                                             'bpm'  85.2
                                    'search_title'  'sparks':1
                                   'search_artist'  'royksopp':1,2
                                  'search_release'  'a':2 'am':4 'm':3 'melody':1
                                     'search_rest'  '00poprockelectronic':1 '03':3,4 'electronic':5 'electropop':7 'or':8 'royksopp':2 'synthpop':9 'we':6
                                    'search_combo'  '00poprockelectronic':8 '03':10,11 'a':5C 'am':7C 'electronic':12 'electropop':14 'm':6C 'melody':4C 'or':15 'royksopp':2B,3B,9 'sparks':1A 'synthpop':16 'we':13
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'leftfield', 'downtempo', 'trip hop']

============================== file details ==============================
                                           'mtime'  1628353836.8389404  (2021-08-07 18:30:36)
                             'size'  7821197