======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '172'
                                          'artist'  'Harry Bidgood'
                                     'text_people'  ''
                                         'release'  'Crown  322'
                                           'title'  "Venice By Night (Rossini's Accordeon Band)"
                                           '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-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1937'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '125.238'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Crown  322'
'TBPM' (BPM (beats per minute))                     '125.238'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1937'
'TIT2' (Title/songname/content description)         "Venice By Night (Rossini's Accordeon Band)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Harry Bidgood'
'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'                                       '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'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.544573'

========================== row from database ==========================
                                              'id'  1518112
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1937/Harry Bidgood - Venice By Night (Rossini_s Accordeon Band) -1-1937.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  172
                                           'genre'  prerock-unsorted
                                        'filesize'  3460914
                                           'mtime'  1621698007
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1937 (Rossini_s 1 1937 prerock unsorted
                                      'tag_artist'  Harry Bidgood
                                     'tag_release'  Crown  322
                                       'tag_title'  Venice By Night (Rossini's Accordeon Band)
                                             'bpm'  125.238
                                    'search_title'  'accordeon':7 'band':8,9 'by':2 'night':3 'rossini':4 'rossinis':6 's':5 'venice':1
                                   'search_artist'  'bidgood':2 'harry':1
                                  'search_release'  '322':2 'crown':1
                                     'search_rest'  '00oldiepop':5 '1':11 '1937':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':12 'rossini':7,9 's':8,10 'unsorted':13
                                    'search_combo'  '00oldiepop':18 '1':24 '1937':19 '322':13C 'accordeon':7A 'band':8A,9A 'bidgood':11B 'by':2A 'country':17 'crown':12C 'exotica':15 'harry':10B 'jazz':14 'night':3A 'oldies':16 'prerock':25 'rossini':4A,20,22 'rossinis':6A 's':5A,21,23 'unsorted':26 'venice':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1937
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698006.514918  (2021-05-22 17:40:06)
                             'size'  3460914