======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '172'
                                          'artist'  'Muggsy Spanier & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "011 Two o'clock jump - Muggsy Spanier & His Orchestra (27-02-1943)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '1943'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '104.229'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '104.229'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1943'
'TIT2' (Title/songname/content description)         "011 Two o'clock jump - Muggsy Spanier & His Orchestra (27-02-1943)"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Muggsy Spanier & His Orchestra'
'TRCK' (Track number/Position in set)               '11'
'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'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.18 dB'
'TXXX:replaygain_track_peak'                        '0.345826'

========================== row from database ==========================
                                              'id'  1502140
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1943/011 Two o_clock jump - Muggsy Spanier & His Orchestra (27-02-1943).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  172
                                           'genre'  prerock-swing
                                        'filesize'  2767749
                                           'mtime'  1620561810
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop o_clock prerock swing
                                      'tag_artist'  Muggsy Spanier & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  011 Two o'clock jump - Muggsy Spanier & His Orchestra (27-02-1943)
                                             'bpm'  104.229
                                    'search_title'  '02':11 '1943':12 '27':10 '27021943':13 'clock':3 'his':8 'jump':5 'muggsy':6 'o':2 'oclock':4 'orchestra':9 'spanier':7 'two':1
                                   'search_artist'  'his':3 'muggsy':1 'orchestra':4 'spanier':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 'clock':7 'country':4 'exotica':2 'jazz':1 'o':6 'oldies':3 'prerock':8 'swing':9
                                    'search_combo'  '00oldiepop':22 '02':11A '1943':12A '27':10A '27021943':13A 'clock':3A,24 'country':21 'exotica':19 'his':8A,16B 'jazz':18 'jump':5A 'muggsy':6A,14B 'o':2A,23 'oclock':4A 'oldies':20 'orchestra':9A,17B 'prerock':25 'spanier':7A,15B 'swing':26 'two':1A
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1943
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561809.704364  (2021-05-09 14:03:29)
                             'size'  2767749