======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '237'
                                          'artist'  'Barney Wilen'
                                     'text_people'  'Lennon - McCartney'
                                         'release'  'Dear Prof. Leary'
                                           'title'  'The Fool on the Hill'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-3', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'saxophone', 'french', 'cool jazz']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-newer-experimental or free'
                                             'bpm'  '95.935'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dear Prof. Leary'
'TBPM' (BPM (beats per minute))                     '95.935'
'TCOM' (Composer)                                   'Lennon - McCartney'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-newer-experimental or free'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'The Fool on the Hill'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Barney Wilen and His Amazing Free Rock Band'
'TPE2' (Band/orchestra/accompaniment)               'Barney Wilen'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['jazz', 'saxophone', 'french', 'cool jazz']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'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'                        '+0.72 dB'
'TXXX:replaygain_track_peak'                        '0.588840'

========================== row from database ==========================
                                              'id'  978882
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/barney wilen - dear prof. leary (1968)/barney wilen - dear prof. leary - 01 - the fool on the hill.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  237
                                           'genre'  prerock-jb-jazz-newer-experimental or free
                                        'filesize'  5701632
                                           'mtime'  1620537363
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country barney wilen dear prof. leary (1968) barney wilen dear prof. leary 01 fool hill prerock jb jazz newer experimental or free
                                      'tag_artist'  Barney Wilen
                                     'tag_release'  Dear Prof. Leary
                                       'tag_title'  The Fool on the Hill
                                             'bpm'  95.935
                                    'search_title'  'fool':2 'hill':4 'on':3 'the':1
                                   'search_artist'  'barney':1 'wilen':2
                                  'search_release'  'dear':1 'leary':4 'prof':2,3
                                     'search_rest'  '1968':11,12 'barney':5 'country':4 'dear':7 'exotica':2 'experimental':18 'fool':13 'free':20 'hill':14 'jazz':1 'jb':16 'leary':10 'newer':17 'oldies':3 'or':19 'prerock':15 'prof':8,9 'wilen':6
                                    'search_combo'  '1968':21,22 'barney':5B,15 'country':14 'dear':7C,17 'exotica':12 'experimental':28 'fool':2A,23 'free':30 'hill':4A,24 'jazz':11 'jb':26 'leary':10C,20 'newer':27 'oldies':13 'on':3A 'or':29 'prerock':25 'prof':8C,9C,18,19 'the':1A 'wilen':6B,16
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['jazz', 'saxophone', 'french', 'cool jazz']
                                        'tag_date'  1968
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620537362.589518  (2021-05-09 07:16:02)
                             'size'  5701632