======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '136'
                                          'artist'  'The Barry Sisters'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Around The World'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-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-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '89.612'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '89.612'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TCOP' (Copyright message)                          '?he Barry Sisters'
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Around The World'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Barry Sisters'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf55.19.100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/Author'                                    'The Barry Sisters'
'TXXX:WM/GenreID'                                   '(National Folk)'
'TXXX:WM/TYER'                                      '2005'
'TXXX:WM/Title'                                     'Around The World'
'TXXX:WM/WM/AlbumArtist'                            'The Barry Sisters'
'TXXX:WM/WM/AlbumTitle'                             'Side By Side+we Belong Together'
'TXXX:WM/WM/TrackNumber'                            '01'
'TXXX:WM/encoder'                                   'Lavf52.54.0'
'TXXX:lastfmtags'                                   ['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.542460'

========================== row from database ==========================
                                              'id'  722568
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/BARRY SISTERS/Around The World.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  136
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  3272326
                                           'mtime'  1620528176
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country BARRY SISTERS prerock jb jazz unsorted
                                      'tag_artist'  The Barry Sisters
                                     'tag_release'  None
                                       'tag_title'  Around The World
                                             'bpm'  89.612
                                    'search_title'  'around':1 'the':2 'world':3
                                   'search_artist'  'barry':2 'sisters':3 'the':1
                                  'search_release'  
                                     'search_rest'  'barry':5 'country':4 'exotica':2 'jazz':1 'jb':8 'oldies':3 'prerock':7 'sisters':6 'unsorted':9
                                    'search_combo'  'around':1A 'barry':5B,11 'country':10 'exotica':8 'jazz':7 'jb':14 'oldies':9 'prerock':13 'sisters':6B,12 'the':2A,4B 'unsorted':15 'world':3A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['oldies', 'jewish', 'jazz', 'big band', 'yiddish', 'swing']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528175.9976418  (2021-05-09 04:42:55)
                             'size'  3272326