======================== unified (from filesystem) ========================
                                         'bitrate'  '114.485'
                                        'duration'  '279'
                                          'artist'  'MISSISSIPPI HEAT  FEAT. INETTA VISOR'
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  "I DON'T KNOW"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'Q-JZFKS-3', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-4', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '108.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '108.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         "I DON'T KNOW"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'MISSISSIPPI HEAT  FEAT. INETTA VISOR'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.77 dB'
'TXXX:replaygain_track_peak'                        '0.387461'
'TXXX:youtube'                                      'sAVRUSzGBAU'

========================== row from database ==========================
                                              'id'  1497359
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/MISSISSIPPI HEAT  FEAT. INETTA VISOR - I DON_T KNOW-sAVRUSzGBAU.mp3
                                         'working'  None
                                         'bitrate'  114
                                    'duration_sec'  279
                                           'genre'  funk or soul
                                        'filesize'  3998289
                                           'mtime'  1628357626
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz DON_T sAVRUSzGBAU funk or soul
                                      'tag_artist'  MISSISSIPPI HEAT  FEAT. INETTA VISOR
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  I DON'T KNOW
                                             'bpm'  108.5
                                    'search_title'  'don':2 'dont':4 'i':1 'know':5 't':3
                                   'search_artist'  'feat':3,4 'heat':2 'inetta':5 'mississippi':1 'visor':6
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  'avrusz':10 'don':2 'funk':5 'funksouljazz':1 'gbau':11 'jazz':8 'or':6 's':9 'savruszgbau':4 'soul':7 't':3
                                    'search_combo'  'avrusz':26 'dimitri':12C 'don':2A,18 'dont':4A 'feat':8B,9B 'ful':13C,14C 'funk':21 'funksouljazz':17 'gbau':27 'heat':7B 'i':1A 'inetta':10B 'jazz':16C,24 'know':5A 'mississippi':6B 'or':22 's':25 'savruszgbau':20 'soul':15C,23 't':3A,19 'visor':11B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357626.1394641  (2021-08-07 19:33:46)
                             'size'  3998289