======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '242'
                                          'artist'  'Baron von Luxxury'
                                     'text_people'  ''
                                         'release'  'Terry Richardson [single]'
                                           'title'  'Terry Richardson (Loose Shus Remix)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['nu disco', 'electropop', 'disco', 'electronic', 'synthpop']"
                                     'discogstags'  "['electro', 'electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '3'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '125.782'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000009C9 00000CB4 00007ADF 00006D65 0002D1D6 000168D0 0000886B 00008AAA '
 '0001B714 00022682')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000B28 0000000000A2D848 00000000 0058931B 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Terry Richardson [single]'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TENC' (Encoded by)                                 'iTunes 10.3.1'
'TIT2' (Title/songname/content description)         'Terry Richardson (Loose Shus Remix)'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Baron von Luxxury'
'TRCK' (Track number/Position in set)               '3/3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electro', 'electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['nu disco', 'electropop', 'disco', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+12.93 dB'
'TXXX:replaygain_track_peak'                        '0.116088'

========================== row from database ==========================
                                              'id'  1534678
                                            'path'  /data/Music/Bulk/00poprockelectronic/TerryLoose.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  242
                                           'genre'  electronic-unsorted
                                        'filesize'  8995067
                                           'mtime'  1620592444
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic TerryLoose electronic unsorted
                                      'tag_artist'  Baron von Luxxury
                                     'tag_release'  Terry Richardson [single]
                                       'tag_title'  Terry Richardson (Loose Shus Remix)
                                             'bpm'  125.782
                                    'search_title'  'loose':3,4 'remix':6,7 'richardson':2 'shus':5 'terry':1
                                   'search_artist'  'baron':1 'luxxury':3 'von':2
                                  'search_release'  'richardson':2 'single':3,4 'terry':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':3 'loose':6 'terry':5 'terryloose':2 'unsorted':4
                                    'search_combo'  '00poprockelectronic':15 'baron':8B 'electronic':17 'loose':3A,4A,20 'luxxury':10B 'remix':6A,7A 'richardson':2A,12C 'shus':5A 'single':13C,14C 'terry':1A,11C,19 'terryloose':16 'unsorted':18 'von':9B
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['nu disco', 'electropop', 'disco', 'electronic', 'synthpop']
                                        'tag_date'  
                                     'discogstags'  ['electro', 'electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620592444.3428016  (2021-05-09 22:34:04)
                             'size'  8995067