======================== unified (from filesystem) ========================
                                         'bitrate'  '32.0'
                                        'duration'  '193'
                                          'artist'  'Fred Lowery'
                                     'text_people'  ''
                                         'release'  'Columbia 78 RPM'
                                           'title'  'Red Sails in the Sunset'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', 'novelty', 'pop', 'whistling', 'standards']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;mi-whistling'
                                             'bpm'  '145.8'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Columbia 78 RPM'
'TBPM' (BPM (beats per minute))                     '145.8'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'mi-whistling']
'TENC' (Encoded by)                                 'Basic Hip Digital Oddio'
'TIT2' (Title/songname/content description)         'Red Sails in the Sunset'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fred Lowery'
'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:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['all', 'novelty', 'pop', 'whistling', 'standards']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.96 dB'
'TXXX:replaygain_track_peak'                        '0.476122'
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.whistlingrecords.com')

========================== row from database ==========================
                                              'id'  1315648
                                            'path'  /data/Music/Bulk/00spent/Whistling/Fred Lowery/Fred Lowery - red_sails_in_the_sunset.mp3
                                         'working'  None
                                         'bitrate'  32
                                    'duration_sec'  193
                                           'genre'  prerock-unsorted;mi-whistling
                                        'filesize'  776296
                                           'mtime'  1620527986
                                   'redo_metaread'  0
                                        'rest_str'   00spent Whistling red_sails_in_the_sunset prerock unsorted;mi whistling
                                      'tag_artist'  Fred Lowery
                                     'tag_release'  Columbia 78 RPM
                                       'tag_title'  Red Sails in the Sunset
                                             'bpm'  145.8
                                    'search_title'  'in':3 'red':1 'sails':2 'sunset':5 'the':4
                                   'search_artist'  'fred':1 'lowery':2
                                  'search_release'  '78':2 'columbia':1 'rpm':3
                                     'search_rest'  '00spent':1 'in':5 'mi':10,12 'prerock':8 'red':3 'sails':4 'sunset':7 'the':6 'unsorted':9,11 'whistling':2
                                    'search_combo'  '00spent':11 '78':9C 'columbia':8C 'fred':6B 'in':3A,15 'lowery':7B 'mi':20,22 'prerock':18 'red':1A,13 'rpm':10C 'sails':2A,14 'sunset':5A,17 'the':4A,16 'unsorted':19,21 'whistling':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['all', 'novelty', 'pop', 'whistling', 'standards']
                                        'tag_date'  
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620527986.01952  (2021-05-09 04:39:46)
                             'size'  776296