======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '185'
                                          'artist'  'Sammy Davis Jr'
                                     'text_people'  ''
                                         'release'  'Alka Seltzer'
                                           'title'  'Plop Plop Fizz Fizz (The Shamelessly Commercial Edit)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'swing', 'oldies', 'rat pack', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '83'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00001306 00000E3E 00008AF3 00006BE8 000104EB 000104EB 000084E0 00008187 '
 '0000817D 00015EB6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009F0 00000000007CCF80 00000000 0043DF83 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Alka Seltzer'
'TBPM' (BPM (beats per minute))                     '83'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TENC' (Encoded by)                                 'iTunes 11.0.2'
'TIT2' (Title/songname/content description)         'Plop Plop Fizz Fizz (The Shamelessly Commercial Edit)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sammy Davis Jr'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'swing', 'oldies', 'rat pack', 'male vocalists']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.25 dB'
'TXXX:replaygain_track_peak'                        '0.437237'

========================== row from database ==========================
                                              'id'  1364878
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Sammy Davis Jr - Alka Seltzer/Plop Plop Fizz Fizz (The Shamelessly Commercial Edit).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  185
                                           'genre'  electronic-unsorted
                                        'filesize'  4844228
                                           'mtime'  1620541881
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm electronic unsorted
                                      'tag_artist'  Sammy Davis Jr
                                     'tag_release'  Alka Seltzer
                                       'tag_title'  Plop Plop Fizz Fizz (The Shamelessly Commercial Edit)
                                             'bpm'  83.0
                                    'search_title'  'commercial':6 'edit':7,8 'fizz':2 'plop':1 'shamelessly':5 'the':3,4
                                   'search_artist'  'davis':2 'jr':3 'sammy':1
                                  'search_release'  'alka':1 'seltzer':2
                                     'search_rest'  'electronic':1 'unsorted':2
                                    'search_combo'  'alka':12C 'commercial':6A 'davis':10B 'edit':7A,8A 'electronic':14 'fizz':2A 'jr':11B 'plop':1A 'sammy':9B 'seltzer':13C 'shamelessly':5A 'the':3A,4A 'unsorted':15
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'swing', 'oldies', 'rat pack', 'male vocalists']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620541880.6304018  (2021-05-09 08:31:20)
                             'size'  4844228