======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '171'
                                          'artist'  'John Steel'
                                     'text_people'  ''
                                         'release'  'Victor 18588 (23027)'
                                           'title'  'Tulip Time'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-3', '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-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['like a melody', 'irish', 'tenor', 'all', 'heavy metal']"
                                     'discogstags'  "['reggae']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1919'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '144.7'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com\r\nOriginals from H C .'
'GEOB:SfMarkers'                                    GEOB(encoding=<Encoding.LATIN1: 0>, mime='', filename='', desc='SfMarkers', data=b'\x0c\x00\x00\x00d\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Victor 18588 (23027)'
'TBPM' (BPM (beats per minute))                     '144.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1919-06-30'
'TIT2' (Title/songname/content description)         'Tulip Time'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '171000'
'TPE1' (Lead performer(s)/Soloist(s))               'John Steel'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'reggae'
'TXXX:lastfmtags'                                   ['like a melody', 'irish', 'tenor', 'all', 'heavy metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                        '+2.72 dB'
'TXXX:replaygain_track_peak'                        '0.398120'

========================== row from database ==========================
                                              'id'  1472001
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1919/John Steel - Tulip Time 30-6-1919.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  171
                                           'genre'  prerock-unsorted
                                        'filesize'  3471972
                                           'mtime'  1621627092
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1919 6 1919 prerock unsorted
                                      'tag_artist'  John Steel
                                     'tag_release'  Victor 18588 (23027)
                                       'tag_title'  Tulip Time
                                             'bpm'  144.7
                                    'search_title'  'time':2 'tulip':1
                                   'search_artist'  'john':1 'steel':2
                                  'search_release'  '18588':2 '23027':3,4 'victor':1
                                     'search_rest'  '00oldiepop':5 '1919':6 '6':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'unsorted':9
                                    'search_combo'  '00oldiepop':13 '18588':6C '1919':14 '23027':7C,8C '6':15 'country':12 'exotica':10 'jazz':9 'john':3B 'oldies':11 'prerock':16 'steel':4B 'time':2A 'tulip':1A 'unsorted':17 'victor':5C
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', '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-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['like a melody', 'irish', 'tenor', 'all', 'heavy metal']
                                        'tag_date'  1919
                                     'discogstags'  ['reggae']

============================== file details ==============================
                                           'mtime'  1621627091.5077302  (2021-05-21 21:58:11)
                             'size'  3471972