======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '192'
                                          'artist'  'No 1 Balloon Centre Dance Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I'm Making Believe (vocal - Bennie Lee)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1945'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '145.163'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1945'
'TIT2' (Title/songname/content description)         "I'm Making Believe (vocal - Bennie Lee)"
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'No 1 Balloon Centre Dance Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.467410'

========================== row from database ==========================
                                              'id'  1514861
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1945/No 1 Balloon Centre Dance Orchestra - I_m Making Believe (vocal - Bennie Lee) 15-1-1945.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  192
                                           'genre'  prerock-swing
                                        'filesize'  3845784
                                           'mtime'  1620562003
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1945 I_m 15 1945 prerock swing
                                      'tag_artist'  No 1 Balloon Centre Dance Orchestra
                                     'tag_release'  None
                                       'tag_title'  I'm Making Believe (vocal - Bennie Lee)
                                             'bpm'  145.163
                                    'search_title'  'believe':5 'bennie':8 'i':1 'im':3 'lee':9,10 'm':2 'making':4 'vocal':6,7
                                   'search_artist'  '1':2 'balloon':3 'centre':4 'dance':5 'no':1 'orchestra':6
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1945':6 'country':4 'exotica':2 'i':7 'jazz':1 'm':8 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':21 '1':12B '1945':22 'balloon':13B 'believe':5A 'bennie':8A 'centre':14B 'country':20 'dance':15B 'exotica':18 'i':1A,23 'im':3A 'jazz':17 'lee':9A,10A 'm':2A,24 'making':4A 'no':11B 'oldies':19 'orchestra':16B 'prerock':25 'swing':26 'vocal':6A,7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5B
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1945
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562003.0999677  (2021-05-09 14:06:43)
                             'size'  3845784