======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '145'
                                          'artist'  'Eddy Howard'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'To Each His Own'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['crooners', '1950s', 'oldies', 'jazz', 'pop', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1946'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '130.398'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.398'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1946'
'TIT2' (Title/songname/content description)         'To Each His Own'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddy Howard'
'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'                                   ['crooners', '1950s', 'oldies', 'jazz', 'pop', 'vocal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.20 dB'
'TXXX:replaygain_track_peak'                        '0.669081'

========================== row from database ==========================
                                              'id'  1439598
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1946/Eddy Howard - To Each His Own 29-6-1946.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  145
                                           'genre'  prerock-vocal
                                        'filesize'  2916040
                                           'mtime'  1620666509
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1946 29 6 1946 prerock vocal
                                      'tag_artist'  Eddy Howard
                                     'tag_release'  None
                                       'tag_title'  To Each His Own
                                             'bpm'  130.398
                                    'search_title'  'each':2 'his':3 'own':4 'to':1
                                   'search_artist'  'eddy':1 'howard':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1946':6 '29':7 '6':8 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'vocal':10
                                    'search_combo'  '00oldiepop':11 '1946':12 '29':13 '6':14 'country':10 'each':2A 'eddy':5B 'exotica':8 'his':3A 'howard':6B 'jazz':7 'oldies':9 'own':4A 'prerock':15 'to':1A 'vocal':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['crooners', '1950s', 'oldies', 'jazz', 'pop', 'vocal']
                                        'tag_date'  1946
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620666508.5125763  (2021-05-10 19:08:28)
                             'size'  2916040