======================== unified (from filesystem) ========================
                                         'bitrate'  '108.301'
                                        'duration'  '352'
                                          'artist'  'Lonnie Smith'
                                     'text_people'  ''
                                         'release'  'Dimitri - Ful, Soul & Jazz'
                                           'title'  "It's Changed"
                                           '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-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['jazz', 'funk', 'organ', 'hammond', 'funky']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '95.7'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Ful, Soul & Jazz'
'TBPM' (BPM (beats per minute))                     '95.7'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         "It's Changed"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lonnie Smith'
'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:lastfmtags'                                   ['jazz', 'funk', 'organ', 'hammond', 'funky']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.33 dB'
'TXXX:replaygain_track_peak'                        '0.717656'
'TXXX:youtube'                                      ' 1977-5lsZb93rY8E'

========================== row from database ==========================
                                              'id'  1506763
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/FunkSoulJazz/Lonnie Smith - It_s Changed - 1977-5lsZb93rY8E.mp3
                                         'working'  None
                                         'bitrate'  108
                                    'duration_sec'  352
                                           'genre'  funk or soul
                                        'filesize'  4772702
                                           'mtime'  1628357626
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FunkSoulJazz It_s 1977 5lsZb93rY8E funk or soul
                                      'tag_artist'  Lonnie Smith
                                     'tag_release'  Dimitri - Ful, Soul & Jazz
                                       'tag_title'  It's Changed
                                             'bpm'  95.7
                                    'search_title'  'changed':4 'it':1 'its':3 's':2
                                   'search_artist'  'lonnie':1 'smith':2
                                  'search_release'  'dimitri':1 'ful':2,3 'jazz':5 'soul':4
                                     'search_rest'  '1977':4 '5ls':10 '5lszb93ry8e':5 'funk':6 'funksouljazz':1 'it':2 'jazz':9 'or':7 's':3 'soul':8 'y8e':12 'zb93r':11
                                    'search_combo'  '1977':15 '5ls':21 '5lszb93ry8e':16 'changed':4A 'dimitri':7C 'ful':8C,9C 'funk':17 'funksouljazz':12 'it':1A,13 'its':3A 'jazz':11C,20 'lonnie':5B 'or':18 's':2A,14 'smith':6B 'soul':10C,19 'y8e':23 'zb93r':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  ['jazz', 'funk', 'organ', 'hammond', 'funky']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357626.0858543  (2021-08-07 19:33:46)
                             'size'  4772702