======================== unified (from filesystem) ========================
                                         'bitrate'  '142.341'
                                        'duration'  '257'
                                          'artist'  'Horace Silver'
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  'Kathy'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', '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-2', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['hard bop', 'piano', 'jazz', 'jazz piano', 'bebop']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '146.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'Kathy'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Horace Silver'
'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'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['hard bop', 'piano', 'jazz', 'jazz piano', 'bebop']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.565449'
'TXXX:youtube'                                      '9rDROZr2iLc'

========================== row from database ==========================
                                              'id'  1477318
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/Horace Silver - Kathy-9rDROZr2iLc.mp3
                                         'working'  None
                                         'bitrate'  142
                                    'duration_sec'  257
                                           'genre'  funk or soul
                                        'filesize'  4595934
                                           'mtime'  1628357625
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz 9rDROZr2iLc funk soul
                                      'tag_artist'  Horace Silver
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  Kathy
                                             'bpm'  146.0
                                    'search_title'  'kathy':1
                                   'search_artist'  'horace':1 'silver':2
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  '9r':6 '9rdrozr2ilc':2 'drozr2i':7 'funk':3 'funksouljazz':1 'jazz':5 'lc':8 'soul':4
                                    'search_combo'  '9r':14 '9rdrozr2ilc':10 'dimitri':4C 'drozr2i':15 'ful':5C,6C 'funk':11 'funksouljazz':9 'horace':2B 'jazz':8C,13 'kathy':1A 'lc':16 'silver':3B 'soul':7C,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['hard bop', 'piano', 'jazz', 'jazz piano', 'bebop']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1628357624.7804337  (2021-08-07 19:33:44)
                             'size'  4595934