======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '163'
                                          'artist'  'No Doubt'
                                     'text_people'  ''
                                         'release'  'Return of Saturn'
                                           'title'  'Staring Problem'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'alternative', 'female vocalists', 'ska', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '90'
                                             'key'  '8A'
                                        'acoustid'  '765fdd34-f627-4311-94e7-178a35083dbe'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Return of Saturn'
'TBPM' (BPM (beats per minute))                     '90'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Staring Problem'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'No Doubt'
'TPE2' (Band/orchestra/accompaniment)               'No Doubt'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Interscope Records'
'TRCK' (Track number/Position in set)               '12/15'
'TSO2'                                              'No Doubt'
'TSOP' (Performer sort order)                       'No Doubt'
'TSRC' (ISRC (international standard recording code))  'USIR10000092'
'TXXX:Acoustid Id'                                  '765fdd34-f627-4311-94e7-178a35083dbe'
'TXXX:Artists'                                      'No Doubt'
'TXXX:BARCODE'                                      '0606949068127'
'TXXX:CATALOGNUMBER'                                '490 681-2'
'TXXX:MusicBrainz Album Artist Id'                  'fbd2a255-1d57-4d31-ac11-65b671c19958'
'TXXX:MusicBrainz Album Id'                         '402e377f-0c6e-3643-a253-14205438d1d4'
'TXXX:MusicBrainz Album Release Country'            'AU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'fbd2a255-1d57-4d31-ac11-65b671c19958'
'TXXX:MusicBrainz Release Group Id'                 'c78cdf1e-4674-37fd-a02e-04c4033adffc'
'TXXX:MusicBrainz Release Track Id'                 '633984e7-e6cc-34fd-8853-25deb3de59d0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['reggae', 'alternative', 'female vocalists', 'ska', 'pop']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-2.67 dB'
'TXXX:replaygain_track_peak'                        '0.451781'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'df364526-a805-4e44-be88-76d3f3ee678f')
'USLT::XXX'                                         ('My eyes are so rootless\n'
 'They wander, I follow\n'
 'I keep staring, I can’t stop it\n'
 'I know I shouldn’t\n'
 'But I can’t stop it\n'
 '\n'
 'Such a cute girl\n'
 'I’m so jealous\n'
 'I wish I looked exactly like her\n'
 'What’s it like to have that body?\n'
 'I’m gawking while I wonder\n'
 '\n'
 'S-T-A-R-I-N-G\n'
 'I can’t stop staring\n'
 'S-T-A-R-I-N-G\n'
 'I can’t stop staring\n'
 '\n'
 'With my envy I steal glances\n'
 'Resentful fault finder\n'
 'This peek-a-boo’s become a problem\n'
 'Predisposed cat fighter\n'
 '\n'
 'S-T-A-R-I-N-G\n'
 'I can’t stop staring\n'
 'S-T-A-R-I-N-G\n'
 'I can’t stop staring ')

========================== row from database ==========================
                                              'id'  1326508
                                            'path'  /data/Music/Bulk/00poprockelectronic/No Doubt/Return of Saturn/12 - No Doubt - Staring Problem.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  163
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  4042412
                                           'mtime'  1620524746
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 12 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  No Doubt
                                     'tag_release'  Return of Saturn
                                       'tag_title'  Staring Problem
                                             'bpm'  90.0
                                    'search_title'  'problem':2 'staring':1
                                   'search_artist'  'doubt':2 'no':1
                                  'search_release'  'of':2 'return':1 'saturn':3
                                     'search_rest'  '00poprockelectronic':1 'dancehall':8 'dub':6 'loc':2 'or':5 'reggae':4 'ska':7 'style':3
                                    'search_combo'  '00poprockelectronic':8 'dancehall':15 'doubt':4B 'dub':13 'loc':9 'no':3B 'of':6C 'or':12 'problem':2A 'reggae':11 'return':5C 'saturn':7C 'ska':14 'staring':1A 'style':10
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'alternative', 'female vocalists', 'ska', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524745.6651225  (2021-05-09 03:45:45)
                             'size'  4042412