======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '201'
                                          'artist'  "Fred Waring's Pennsylvanians"
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  'Was It A Dream?'
                                           '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-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '132'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '142.407'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #11 on Various Charts. source Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '142.407'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         'Was It A Dream?'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               "Fred Waring's Pennsylvanians"
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '132'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                        '+1.12 dB'
'TXXX:replaygain_track_peak'                        '0.986104'

========================== row from database ==========================
                                              'id'  1510408
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_132 - Fred Waring_s Pennsylvanians - Was It A Dream_ (128 M 3.21).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  201
                                           'genre'  prerock-unsorted
                                        'filesize'  3223636
                                           'mtime'  1621697508
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_132 Waring_s Dream_ (128 M 3.21) prerock unsorted
                                      'tag_artist'  Fred Waring's Pennsylvanians
                                     'tag_release'  Billboard 1928
                                       'tag_title'  Was It A Dream?
                                             'bpm'  142.407
                                    'search_title'  'a':3 'dream':4 'it':2 'was':1
                                   'search_artist'  'fred':1 'pennsylvanians':5 's':3 'waring':2 'warings':4
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '128':10,11 '132':6 '1928':5 '21':14 '3':13 '321':15 'country':4 'dream':9 'exotica':2 'jazz':1 'm':12 'oldies':3 'prerock':16 's':8 'unsorted':17 'waring':7
                                    'search_combo'  '128':21,22 '132':17 '1928':11C,16 '21':25 '3':24 '321':26 'a':3A 'billboard':10C 'country':15 'dream':4A,20 'exotica':13 'fred':5B 'it':2A 'jazz':12 'm':23 'oldies':14 'pennsylvanians':9B 'prerock':27 's':7B,19 'unsorted':28 'waring':6B,18 'warings':8B 'was':1A
                                    'tag_tracknum'  132
                                      'num_images'  0
                                             'key'  5A
                                           '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-1', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697507.7980168  (2021-05-22 17:31:47)
                             'size'  3223636