======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '121'
                                          'artist'  "Dave ''Baby'' Cortez"
                                     'text_people'  ''
                                         'release'  'CLOCK 1012'
                                           'title'  'The Whistling Organ'
                                           '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-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'organ', '60s', 'rock', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '109.468'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-355 POS 61'
'COMM:ID3v1 Comment:XXX'                            '59-355 POS 61'
'TALB' (Album/Movie/Show title)                     'CLOCK 1012'
'TBPM' (BPM (beats per minute))                     '109.468'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'The Whistling Organ'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               "Dave ''Baby'' Cortez"
'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'                                   ['instrumental', 'organ', '60s', 'rock', '50s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.470358'

========================== row from database ==========================
                                              'id'  1504642
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-355 - Dave __Baby__ Cortez - The Whistling Organ.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  121
                                           'genre'  prerock-unsorted
                                        'filesize'  4870184
                                           'mtime'  1621698416
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 355 __Baby__ prerock unsorted
                                      'tag_artist'  Dave ''Baby'' Cortez
                                     'tag_release'  CLOCK 1012
                                       'tag_title'  The Whistling Organ
                                             'bpm'  109.468
                                    'search_title'  'organ':3 'the':1 'whistling':2
                                   'search_artist'  'baby':2,3 'cortez':4 'dave':1
                                  'search_release'  '1012':2 'clock':1
                                     'search_rest'  '00oldiepop':5 '1959':6 '355':8 '59':7 'baby':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':10 'unsorted':11
                                    'search_combo'  '00oldiepop':14 '1012':9C '1959':15 '355':17 '59':16 'baby':5B,6B,18 'clock':8C 'cortez':7B 'country':13 'dave':4B 'exotica':11 'jazz':10 'oldies':12 'organ':3A 'prerock':19 'the':1A 'unsorted':20 'whistling':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'organ', '60s', 'rock', '50s']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698416.2262998  (2021-05-22 17:46:56)
                             'size'  4870184