======================== unified (from filesystem) ========================
                                         'bitrate'  '162.626'
                                        'duration'  '312'
                                          'artist'  'Dave Brubeck'
                                     'text_people'  ''
                                         'release'  'Greatest Hits'
                                           'title'  "It's a Raggy Waltz"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'piano', 'jazz', 'jazz piano', 'cool jazz']"
                                     'discogstags'  "['jazz', 'cool jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-bebop or cool or beat'
                                             'bpm'  '110.062'
                                             'key'  '6A'
                                        'acoustid'  'd9dd3d87-3634-4ab7-b3be-f29578114e39'
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '9C0E9D0C'
'COMM:ID3v1 Comment:XXX'                            '9C0E9D0C'
'TALB' (Album/Movie/Show title)                     'Greatest Hits'
'TBPM' (BPM (beats per minute))                     '110.062'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-bebop or cool or beat'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "It's a Raggy Waltz"
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Brubeck'
'TPE2' (Band/orchestra/accompaniment)               'Dave Brubeck'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Companion'
'TRCK' (Track number/Position in set)               '8/12'
'TSO2'                                              'Brubeck, Dave'
'TSOP' (Performer sort order)                       'Brubeck, Dave'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Acoustid Id'                                  'd9dd3d87-3634-4ab7-b3be-f29578114e39'
'TXXX:Artists'                                      'Dave Brubeck'
'TXXX:BARCODE'                                      '5701861873820'
'TXXX:CATALOGNUMBER'                                '6187382'
'TXXX:MusicBrainz Album Artist Id'                  'de0222a6-e1c4-403d-8b01-3f66d505061b'
'TXXX:MusicBrainz Album Id'                         '11e27014-40e1-440a-bd72-8252329ce139'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Artist Id'                        'de0222a6-e1c4-403d-8b01-3f66d505061b'
'TXXX:MusicBrainz Release Group Id'                 '0addeaf7-6ab5-35ae-858a-93d1fb182af4'
'TXXX:MusicBrainz Release Track Id'                 '232b7fc9-c9f4-3459-a6dd-31767cb5fa6f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['jazz', 'cool jazz']
'TXXX:lastfmtags'                                   ['instrumental', 'piano', 'jazz', 'jazz piano', 'cool jazz']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.712307'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a1db62f6-10fb-4277-bcda-69b587b0e314')

========================== row from database ==========================
                                              'id'  1517919
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Brubeck, Dave/Greatest Hits/Dave Brubeck - It_s A Raggy Waltz.mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  312
                                           'genre'  prerock-jb-jazz-bebop or cool or beat
                                        'filesize'  6352948
                                           'mtime'  1620523984
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Brubeck, It_s A prerock jb jazz bebop or cool or beat
                                      'tag_artist'  Dave Brubeck
                                     'tag_release'  Greatest Hits
                                       'tag_title'  It's a Raggy Waltz
                                             'bpm'  110.062
                                    'search_title'  'a':4 'it':1 'its':3 'raggy':5 's':2 'waltz':6
                                   'search_artist'  'brubeck':2 'dave':1
                                  'search_release'  'greatest':1 'hits':2
                                     'search_rest'  'a':9 'beat':15 'bebop':12 'brubeck':5,6 'cool':14 'country':4 'exotica':2 'it':7 'jazz':1 'jb':11 'oldies':3 'or':13 'prerock':10 's':8
                                    'search_combo'  'a':4A,19 'beat':25 'bebop':22 'brubeck':8B,15,16 'cool':24 'country':14 'dave':7B 'exotica':12 'greatest':9C 'hits':10C 'it':1A,17 'its':3A 'jazz':11 'jb':21 'oldies':13 'or':23 'prerock':20 'raggy':5A 's':2A,18 'waltz':6A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'piano', 'jazz', 'jazz piano', 'cool jazz']
                                        'tag_date'  1997
                                     'discogstags'  ['jazz', 'cool jazz']

============================== file details ==============================
                                           'mtime'  1620523984.0849621  (2021-05-09 03:33:04)
                             'size'  6352948