======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '173'
                                          'artist'  'Champ Butler'
                                     'text_people'  ''
                                         'release'  'Philips B 21074 H'
                                           'title'  "I'm Walking Behind You"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['do not use caps you retards']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1953'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '137.013'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Philips B 21074 H'
'TBPM' (BPM (beats per minute))                     '137.013'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1953'
'TIT2' (Title/songname/content description)         "I'm Walking Behind You"
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Champ Butler'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'do not use caps you retards'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.29 dB'
'TXXX:replaygain_track_peak'                        '0.463199'

========================== row from database ==========================
                                              'id'  1511525
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1953/Champ Butler - I_m Walking Behind You -3-1953.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  173
                                           'genre'  prerock-unsorted
                                        'filesize'  3479767
                                           'mtime'  1621698154
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1953 I_m 3 1953 prerock unsorted
                                      'tag_artist'  Champ Butler
                                     'tag_release'  Philips B 21074 H
                                       'tag_title'  I'm Walking Behind You
                                             'bpm'  137.013
                                    'search_title'  'behind':5 'i':1 'im':3 'm':2 'walking':4 'you':6
                                   'search_artist'  'butler':2 'champ':1
                                  'search_release'  '21074':3 'b':2 'h':4 'philips':1
                                     'search_rest'  '00oldiepop':5 '1953':6 '3':9 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':10 'unsorted':11
                                    'search_combo'  '00oldiepop':17 '1953':18 '21074':11C '3':21 'b':10C 'behind':5A 'butler':8B 'champ':7B 'country':16 'exotica':14 'h':12C 'i':1A,19 'im':3A 'jazz':13 'm':2A,20 'oldies':15 'philips':9C 'prerock':22 'unsorted':23 'walking':4A 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['do not use caps you retards']
                                        'tag_date'  1953
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698153.9822085  (2021-05-22 17:42:33)
                             'size'  3479767