======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '189'
                                          'artist'  "Glen Oswald's Serenaders"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "Go Your Way And I'll Go Mine"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1924'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '114.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '114.8'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1924-09-05'
'TIT2' (Title/songname/content description)         "Go Your Way And I'll Go Mine"
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '189000'
'TPE1' (Lead performer(s)/Soloist(s))               "Glen Oswald's Serenaders"
'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:discogstags'                                  ['jazz', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.652713'

========================== row from database ==========================
                                              'id'  1513387
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1924/Glen Oswald_s Serenaders - Go Your Way And I_ll Go Mine 5-9-1924.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  189
                                           'genre'  prerock-unsorted
                                        'filesize'  3793022
                                           'mtime'  1621697909
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1924 Oswald_s I_ll 5 9 1924 prerock unsorted
                                      'tag_artist'  Glen Oswald's Serenaders
                                     'tag_release'  None
                                       'tag_title'  Go Your Way And I'll Go Mine
                                             'bpm'  114.8
                                    'search_title'  'and':4 'go':1 'i':5 'ill':7 'll':6 'mine':8 'way':3 'your':2
                                   'search_artist'  'glen':1 'oswald':2 'oswalds':4 's':3 'serenaders':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1924':6 '5':11 '9':12 'country':4 'exotica':2 'i':9 'jazz':1 'll':10 'oldies':3 'oswald':7 'prerock':13 's':8 'unsorted':14
                                    'search_combo'  '00oldiepop':18 '1924':19 '5':24 '9':25 'and':4A 'country':17 'exotica':15 'glen':9B 'go':1A 'i':5A,22 'ill':7A 'jazz':14 'll':6A,23 'mine':8A 'oldies':16 'oswald':10B,20 'oswalds':12B 'prerock':26 's':11B,21 'serenaders':13B 'unsorted':27 'way':3A 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1924
                                     'discogstags'  ['jazz', 'pop']

============================== file details ==============================
                                           'mtime'  1621697909.4962873  (2021-05-22 17:38:29)
                             'size'  3793022