======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '169'
                                          'artist'  'Run C&W'
                                     'text_people'  ''
                                         'release'  'A Dirty Shame [Soundtrack]'
                                           'title'  'Itchy Twitchy Spot'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-2', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-2', "
 "'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['bluegrass', 'country', 'comedy', 'underrated', 'rare']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'entertaining-unsorted'
                                             'bpm'  '124.775'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'A Dirty Shame [Soundtrack]'
'TBPM' (BPM (beats per minute))                     '124.775'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-unsorted'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Itchy Twitchy Spot'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Run C&W'
'TPE2' (Band/orchestra/accompaniment)               'Run C&W'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['bluegrass', 'country', 'comedy', 'underrated', 'rare']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.387495'

========================== row from database ==========================
                                              'id'  1325811
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/10. run c&w - itchy twitchy spot.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  169
                                           'genre'  entertaining-unsorted
                                        'filesize'  3393536
                                           'mtime'  1620568668
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean 10. run c&w twitchy spot entertaining unsorted
                                      'tag_artist'  Run C&W
                                     'tag_release'  A Dirty Shame [Soundtrack]
                                       'tag_title'  Itchy Twitchy Spot
                                             'bpm'  124.775
                                    'search_title'  'itchy':1 'spot':3 'twitchy':2
                                   'search_artist'  'c':2 'cw':4 'run':1 'w':3
                                  'search_release'  'a':1 'dirty':2 'shame':3 'soundtrack':4,5
                                     'search_rest'  '00poprockelectronic':1 '10':3,4 'c':6 'clean':2 'cw':8 'entertaining':11 'run':5 'spot':10 'twitchy':9 'unsorted':12 'w':7
                                    'search_combo'  '00poprockelectronic':13 '10':15,16 'a':8C 'c':5B,18 'clean':14 'cw':7B,20 'dirty':9C 'entertaining':23 'itchy':1A 'run':4B,17 'shame':10C 'soundtrack':11C,12C 'spot':3A,22 'twitchy':2A,21 'unsorted':24 'w':6B,19
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['bluegrass', 'country', 'comedy', 'underrated', 'rare']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568668.3916838  (2021-05-09 15:57:48)
                             'size'  3393536