======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '181'
                                          'artist'  'Bob & Earl'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'Puppet On A String'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['northern soul', 'soul', '60s', '7soul']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '108'
                                      'tracktotal'  ''
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '122.141'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '122.141'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1964'
'TIT2' (Title/songname/content description)         'Puppet On A String'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob & Earl'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '108'
'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'                                   ['northern soul', 'soul', '60s', '7soul']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.09 dB'
'TXXX:replaygain_track_peak'                        '0.375416'

========================== row from database ==========================
                                              'id'  984657
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/108 Bob & Earl - Puppet on a string (03-28-64).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  181
                                           'genre'  prerock-unsorted
                                        'filesize'  2905885
                                           'mtime'  1622760185
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 108 on string (03 28 64) prerock unsorted
                                      'tag_artist'  Bob & Earl
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  Puppet On A String
                                             'bpm'  122.141
                                    'search_title'  'a':3 'on':2 'puppet':1 'string':4
                                   'search_artist'  'bob':1 'earl':2
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '03':13,14 '108':10 '11':6,7 '28':15 '63':8,9 '64':16,17 'country':4 'exotica':2 'jazz':1 'oldies':3 'on':11 'prerock':18 'string':12 'under':5 'unsorted':19
                                    'search_combo'  '03':22,23 '108':19 '11':15,16 '28':24 '5':9C '63':17,18 '64':25,26 'a':3A 'bob':5B 'bubbling':7C 'country':13 'earl':6B 'exotica':11 'jazz':10 'oldies':12 'on':2A,20 'prerock':27 'puppet':1A 'string':4A,21 'under':8C,14 'unsorted':28
                                    'tag_tracknum'  108
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['northern soul', 'soul', '60s', '7soul']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760185.3956518  (2021-06-04 00:43:05)
                             'size'  2905885