======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '234'
                                          'artist'  'No Doubt'
                                     'text_people'  ''
                                         'release'  'Return of Saturn'
                                           'title'  'Artificial Sweetener'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'alternative', 'ska', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '15'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '131'
                                             'key'  '4A'
                                        'acoustid'  '0543df39-e303-48bf-9f6a-7485b19ce070'
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))                     '131'
'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)         'Artificial Sweetener'
'TKEY' (Initial key)                                '4A'
'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)               '6/15'
'TSO2'                                              'No Doubt'
'TSOP' (Performer sort order)                       'No Doubt'
'TSRC' (ISRC (international standard recording code))  'USIR10000085'
'TXXX:Acoustid Id'                                  '0543df39-e303-48bf-9f6a-7485b19ce070'
'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'                 'dce98bb8-9bb7-381b-a54e-cf7fba136742'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['female vocalists', 'alternative', 'ska', 'pop', 'rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'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'                        '-1.85 dB'
'TXXX:replaygain_track_peak'                        '0.408995'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b6dfdc11-5f52-4c50-b987-4c621a3a8eaf')
'USLT::XXX'                                         ("Oh yes I'm guilty\r\n"
 'For leasing myself out\r\n'
 'Not ready to up for sale\r\n'
 "Can't seem to give it up\r\n"
 'Stubborn, so selfish\r\n'
 "I'm showing off the worst in me\r\n"
 '\r\n'
 'The return of saturn\r\n'
 'Assessing my life\r\n'
 'Second guessing...\r\n'
 '\r\n'
 "I'm full of artificial sweetener\r\n"
 "My heart's been deceitful\r\n"
 "It's all artificial sweetener\r\n"
 "I'm faking I love you's\r\n"
 "You're forcing me to\r\n"
 '\r\n'
 'You really deserve love\r\n'
 'I want to love you\r\n'
 "But I can't seem to find myself\r\n"
 'My wilting effort\r\n'
 'Our progress report\r\n'
 "I'm only sure that I'm not sure\r\n"
 '\r\n'
 'I shudder to be honest\r\n'
 "Who's behind it all now? \r\n"
 "Who's the author? \r\n"
 '\r\n'
 "I'm full of artificial sweetener\r\n"
 "My heart's been deceitful\r\n"
 "It's all artificial sweetener\r\n"
 "I'm faking I love you's\r\n"
 "You're forcing me to\r\n"
 '\r\n'
 'Re-read, re-write, redo, undo\r\n'
 "I'm stuck on this page\r\n"
 'I was born two weeks late\r\n'
 'Is that why I hesitate? \r\n'
 "I'm on the fence\r\n"
 'Push me off it\r\n'
 'I want to be on your side now\r\n'
 'And keep a promise\r\n'
 '\r\n'
 "I'm full of artificial sweetener\r\n"
 "My heart's been deceitful\r\n"
 "It's all artificial sweetener\r\n"
 "My heart's been deceitful\r\n"
 "I'm faking I love you's\r\n")

========================== row from database ==========================
                                              'id'  1328069
                                            'path'  /data/Music/Bulk/00poprockelectronic/No Doubt/Return of Saturn/06 - No Doubt - Arificial Sweetener.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  234
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  5743715
                                           'mtime'  1620524739
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06 Arificial loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  No Doubt
                                     'tag_release'  Return of Saturn
                                       'tag_title'  Artificial Sweetener
                                             'bpm'  131.0
                                    'search_title'  'artificial':1 'sweetener':2
                                   'search_artist'  'doubt':2 'no':1
                                  'search_release'  'of':2 'return':1 'saturn':3
                                     'search_rest'  '00poprockelectronic':1 'arificial':2 'dancehall':9 'dub':7 'loc':3 'or':6 'reggae':5 'ska':8 'style':4
                                    'search_combo'  '00poprockelectronic':8 'arificial':9 'artificial':1A 'dancehall':16 'doubt':4B 'dub':14 'loc':10 'no':3B 'of':6C 'or':13 'reggae':12 'return':5C 'saturn':7C 'ska':15 'style':11 'sweetener':2A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'alternative', 'ska', 'pop', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524739.2948337  (2021-05-09 03:45:39)
                             'size'  5743715