======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '156'
                                          'artist'  'Lawrence Welk & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  ("187 Cleanin' my rifle (and dreamin' of you) - Lawrence Welk & His Orchestra "
 '& Bobby Beers (5-02-1944)')
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-1', 'q-chart-2', 'q-drums-1', 'q-other-4', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '187'
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '135.819'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TBPM' (BPM (beats per minute))                     '135.819'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         ("187 Cleanin' my rifle (and dreamin' of you) - Lawrence Welk & His Orchestra "
 '& Bobby Beers (5-02-1944)')
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lawrence Welk & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Lawrence Welk & His Orchestra'
'TRCK' (Track number/Position in set)               '187'
'TXXX:Engineer'                                     'ngineer'
'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:lastfmtags'                                   'easy listening'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'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'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.642307'
'UFID:'                                             UFID(owner='', data=b'XL\x00 1944_165')

========================== row from database ==========================
                                              'id'  1497081
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/187 Cleanin_ my rifle (and dreamin_ of you) - Lawrence Welk & His Orchestra & Bobby Beers (5-02-1944).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  156
                                           'genre'  prerock-swing
                                        'filesize'  2512123
                                           'mtime'  1620561854
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1943 Cleanin_ dreamin_ prerock swing
                                      'tag_artist'  Lawrence Welk & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  187 Cleanin' my rifle (and dreamin' of you) - Lawrence Welk & His Orchestra & Bobby Beers (5-02-1944)
                                             'bpm'  135.819
                                    'search_title'  '02':20 '187':1 '1944':21 '5':19 '5021944':22 'and':6,7 'beers':18 'bobby':17 'cleanin':2,3 'dreamin':8,9 'his':15 'lawrence':13 'my':4 'of':10 'orchestra':16 'rifle':5 'welk':14 'you':11,12
                                   'search_artist'  'his':3 'lawrence':1 'orchestra':4 'welk':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1943':6 'cleanin':7 'country':4 'dreamin':8 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'swing':10
                                    'search_combo'  '00oldiepop':31 '02':20A '187':1A '1943':32 '1944':21A '5':19A '5021944':22A 'and':6A,7A 'beers':18A 'bobby':17A 'cleanin':2A,3A,33 'country':30 'dreamin':8A,9A,34 'exotica':28 'his':15A,25B 'jazz':27 'lawrence':13A,23B 'my':4A 'of':10A 'oldies':29 'orchestra':16A,26B 'prerock':35 'rifle':5A 'swing':36 'welk':14A,24B 'you':11A,12A
                                    'tag_tracknum'  187
                                      'num_images'  0
                                             'key'  7A
                                           '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-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['easy listening']
                                        'tag_date'  1944
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561853.5945625  (2021-05-09 14:04:13)
                             'size'  2512123