======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '165'
                                          'artist'  'Jack Pleis & His Orchestra'
                                     'text_people'  ''
                                         'release'  'DECCA 30303'
                                           'title'  "(But As They Say) That's Life"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-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-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '364'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '94.021'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'DECCA 30303'
'TBPM' (BPM (beats per minute))                     '94.021'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         "(But As They Say) That's Life"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jack Pleis & His Orchestra'
'TRCK' (Track number/Position in set)               '364'
'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'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                        '+0.52 dB'
'TXXX:replaygain_track_peak'                        '0.392516'

========================== row from database ==========================
                                              'id'  1509298
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/57-364 - Jack Pleis & His Orchestra - (But As They Say) That_s Life.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  165
                                           'genre'  prerock-swing
                                        'filesize'  6632929
                                           'mtime'  1620562645
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 57 364 That_s prerock swing
                                      'tag_artist'  Jack Pleis & His Orchestra
                                     'tag_release'  DECCA 30303
                                       'tag_title'  (But As They Say) That's Life
                                             'bpm'  94.021
                                    'search_title'  'as':3 'but':1,2 'life':10 's':8 'say':5,6 'that':7 'thats':9 'they':4
                                   'search_artist'  'his':3 'jack':1 'orchestra':4 'pleis':2
                                  'search_release'  '30303':2 'decca':1
                                     'search_rest'  '00oldiepop':5 '1957':6 '364':8 '57':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':11 's':10 'swing':12 'that':9
                                    'search_combo'  '00oldiepop':21 '1957':22 '30303':16C '364':24 '57':23 'as':3A 'but':1A,2A 'country':20 'decca':15C 'exotica':18 'his':13B 'jack':11B 'jazz':17 'life':10A 'oldies':19 'orchestra':14B 'pleis':12B 'prerock':27 's':8A,26 'say':5A,6A 'swing':28 'that':7A,25 'thats':9A 'they':4A
                                    'tag_tracknum'  364
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1957
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562644.6033473  (2021-05-09 14:17:24)
                             'size'  6632929