======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '65'
                                          'artist'  'Fraykers Revenge'
                                     'text_people'  ''
                                         'release'  'Lunch For Yor Ears (Vol. 3)'
                                           'title'  'The Marcus-Nelson Murders (hc.)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', 'funk']"
                                     'discogstags'  "['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1974'
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '140.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'fraykerbreaks.blogspot.com'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.UTF16: 1>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Lunch For Yor Ears (Vol. 3)'
'TBPM' (BPM (beats per minute))                     '140.4'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TDRC' (Recording time)                             '1974'
'TIT2' (Title/songname/content description)         'The Marcus-Nelson Murders (hc.)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TPE2' (Band/orchestra/accompaniment)               'Fraykers Revenge'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']
'TXXX:lastfmtags'                                   ['soundtrack', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-6.59 dB'
'TXXX:replaygain_track_peak'                        '1.003698'

========================== row from database ==========================
                                              'id'  1532407
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/EASY Instr 70_s/• (Uncred. Artist) - (Lunch For Yor Ears 3) - The Marcus-Nelson Murders (hc.).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  65
                                           'genre'  funk or soul
                                        'filesize'  2637302
                                           'mtime'  1628357837
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul EASY Instr 70_s • (Uncred. Artist) (Lunch funk soul
                                      'tag_artist'  Fraykers Revenge
                                     'tag_release'  Lunch For Yor Ears (Vol. 3)
                                       'tag_title'  The Marcus-Nelson Murders (hc.)
                                             'bpm'  140.4
                                    'search_title'  'hc':6,7 'marcus':2 'marcusnelson':4 'murders':5 'nelson':3 'the':1
                                   'search_artist'  'fraykers':1 'revenge':2
                                  'search_release'  '3':7,8 'ears':4 'for':2 'lunch':1 'vol':5,6 'yor':3
                                     'search_rest'  '70':6 'artist':10,11 'easy':4 'funk':2 'instr':5 'lunch':12,13 's':7 'soul':3 'swing':1 'uncred':8,9
                                    'search_combo'  '3':16C,17C '70':23 'artist':27,28 'ears':13C 'easy':21 'for':11C 'fraykers':8B 'funk':19 'hc':6A,7A 'instr':22 'lunch':10C,29,30 'marcus':2A 'marcusnelson':4A 'murders':5A 'nelson':3A 'revenge':9B 's':24 'soul':20 'swing':18 'the':1A 'uncred':25,26 'vol':14C,15C 'yor':12C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', 'funk']
                                        'tag_date'  1974
                                     'discogstags'  ['disco', 'soundtrack', 'theme', 'stage & screen', 'funk / soul', 'funk']

============================== file details ==============================
                                           'mtime'  1628357837.344492  (2021-08-07 19:37:17)
                             'size'  2637302