======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '343'
                                          'artist'  'David Sancious'
                                     'text_people'  ''
                                         'release'  'Progsoup 38'
                                           'title'  'One Time'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['no genre', 'complex', 'piano', 'jazz', 'fusion']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '11'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '140.823'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 00000526 000006A0 00003451 0000507C 000247AC 000247AC 00006B7B 0000804A '
 '0002584E 00004BB6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000774 0000000000E72AFC 00000000 00D19510 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '11+722B134589AAD598DD1D0A946945FE02+124160'
'TALB' (Album/Movie/Show title)                     'Progsoup 38'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'iTunes v7.7.1.11'
'TIT2' (Title/songname/content description)         'One Time'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'David Sancious'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '11/11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['no genre', 'complex', 'piano', 'jazz', 'fusion']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.700619'

========================== row from database ==========================
                                              'id'  1414277
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 38 (fusionsoup)/2189 david sancious -  one time.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  343
                                           'genre'  rock-cppex-progressive
                                        'filesize'  13776540
                                           'mtime'  1620737299
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup (fusionsoup) 2189 david sancious one time rock cppex progressive
                                      'tag_artist'  David Sancious
                                     'tag_release'  Progsoup 38
                                       'tag_title'  One Time
                                             'bpm'  140.823
                                    'search_title'  'one':1 'time':2
                                   'search_artist'  'david':1 'sancious':2
                                  'search_release'  '38':2 'progsoup':1
                                     'search_rest'  '2189':5 'classicprogpsy':1 'cppex':11 'david':6 'fusionsoup':3,4 'one':8 'progressive':12 'progsoup':2 'rock':10 'sancious':7 'time':9
                                    'search_combo'  '2189':11 '38':6C 'classicprogpsy':7 'cppex':17 'david':3B,12 'fusionsoup':9,10 'one':1A,14 'progressive':18 'progsoup':5C,8 'rock':16 'sancious':4B,13 'time':2A,15
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['no genre', 'complex', 'piano', 'jazz', 'fusion']
                                        'tag_date'  1975
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620737298.5058465  (2021-05-11 14:48:18)
                             'size'  13776540