======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '128'
                                          'artist'  'Kenny Ball & His Jazzmen'
                                     'text_people'  ''
                                         'release'  'Bubbling Under 5'
                                           'title'  'Heartaches'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['trad jazz', 'dixieland', 'jazz', '60s', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '017'
                                      'tracktotal'  ''
                                            'date'  '1963'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '97.318'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Bubbling Under 5'
'TBPM' (BPM (beats per minute))                     '97.318'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1963'
'TIT2' (Title/songname/content description)         'Heartaches'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kenny Ball & His Jazzmen'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '017'
'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'                                   ['trad jazz', 'dixieland', 'jazz', '60s', 'easy listening']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.593523'

========================== row from database ==========================
                                              'id'  984562
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Bubbling under 5 (11-09-63)/017 Kenny Ball & his jazzmen - Heartaches.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  128
                                           'genre'  prerock-unsorted
                                        'filesize'  2055318
                                           'mtime'  1622760177
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country under (11 09 63) 017 his jazzmen prerock unsorted
                                      'tag_artist'  Kenny Ball & His Jazzmen
                                     'tag_release'  Bubbling Under 5
                                       'tag_title'  Heartaches
                                             'bpm'  97.318
                                    'search_title'  'heartaches':1
                                   'search_artist'  'ball':2 'his':3 'jazzmen':4 'kenny':1
                                  'search_release'  '5':3 'bubbling':1 'under':2
                                     'search_rest'  '11':6,7 '63':8,9 'country':4 'exotica':2 'his':10 'jazz':1 'jazzmen':11 'oldies':3 'prerock':12 'under':5 'unsorted':13
                                    'search_combo'  '11':14,15 '5':8C '63':16,17 'ball':3B 'bubbling':6C 'country':12 'exotica':10 'heartaches':1A 'his':4B,18 'jazz':9 'jazzmen':5B,19 'kenny':2B 'oldies':11 'prerock':20 'under':7C,13 'unsorted':21
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['trad jazz', 'dixieland', 'jazz', '60s', 'easy listening']
                                        'tag_date'  1963
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622760177.2383363  (2021-06-04 00:42:57)
                             'size'  2055318