======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '267'
                                          'artist'  'Korpiklaani'
                                     'text_people'  ''
                                         'release'  'Tervaskanto'
                                           'title'  'Veriset dpdrdt'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '126.410'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00002E81 00002FBF 00009B8D 0000AED2 00031600 00031600 00008B92 00008C84 '
 '0002D0B6 0001814E')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000AE0 0000000000B42010 00000000 00A34C15 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '11+7F13A272E17849F2884FF0EF8950887D+9113780'
'POPM:'                                             POPM(email='', rating=204, count=0)
'TALB' (Album/Movie/Show title)                     'Tervaskanto'
'TBPM' (BPM (beats per minute))                     '126.410'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-06-26'
'TENC' (Encoded by)                                 'iTunes v7.1.1.5'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', '䨀漀渀渀攀\u2000䨀\ue400爀瘀攀氀\ue400'], ['瀀爀漀搀甀挀攀爀', '匀愀洀甀\u2000伀椀琀琀椀渀攀渀'], ['洀椀砀', '匀愀洀甀\u2000伀椀琀琀椀渀攀渀'], ['搀爀甀洀猀', '䴀愀琀琀椀\u2000∀䴀愀琀猀漀渀∀\u2000䨀漀栀愀渀猀猀漀渀'], ['戀愀最瀀椀瀀攀Ⰰ\u2000昀椀搀搀氀攀Ⰰ\u2000洀愀渀搀漀氀椀渀Ⰰ\u2000爀攀挀漀爀搀攀爀\u2000愀渀搀\u2000瘀椀漀氀愀', '䨀愀愀欀欀漀\u2000∀䠀椀琀琀愀瘀愀椀渀攀渀∀\u2000䰀攀洀洀攀琀琀礀'], ['愀挀挀漀爀搀椀漀渀Ⰰ\u2000愀挀漀甀猀琀椀挀\u2000最甀椀琀愀爀\u2000愀渀搀\u2000攀氀攀挀琀爀椀挀\u2000最甀椀琀愀爀', '䨀甀栀漀\u2000䬀愀甀瀀瀀椀渀攀渀'], ['戀愀挀欀最爀漀甀渀搀\u2000瘀漀挀愀氀猀\u2000瘀漀挀愀氀', '䴀愀琀琀椀\u2000∀䴀愀琀猀漀渀∀\u2000䨀漀栀愀渀猀猀漀渀'], ['戀愀挀欀最爀漀甀渀搀\u2000瘀漀挀愀氀猀\u2000瘀漀挀愀氀', '䨀甀栀漀\u2000䬀愀甀瀀瀀椀渀攀渀'], ['最甀攀猀琀\u2000戀愀挀欀最爀漀甀渀搀\u2000瘀漀挀愀氀猀\u2000瘀漀挀愀氀', '䌀栀漀椀爀\u2000漀昀\u2000䐀爀甀渀欀攀渀\u2000䈀甀氀氀猀'], ['攀氀攀挀琀爀椀挀\u2000戀愀猀猀\u2000最甀椀琀愀爀', '䨀愀爀欀欀漀\u2000䄀愀氀琀漀渀攀渀'], ['攀氀攀挀琀爀椀挀\u2000最甀椀琀愀爀', '䌀愀渀攀'], ['氀攀愀搀\u2000瘀漀挀愀氀猀\u2000瘀漀挀愀氀', '䨀漀渀渀攀\u2000䨀\ue400爀瘀攀氀\ue400'], ['愀挀漀甀猀琀椀挀\u2000最甀椀琀愀爀\u2000愀渀搀\u2000攀氀攀挀琀爀椀挀\u2000最甀椀琀愀爀', '䨀漀渀渀攀\u2000䨀\ue400爀瘀攀氀\ue400']])
'TIT2' (Title/songname/content description)         'Veriset dpdrdt'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Korpiklaani'
'TPE2' (Band/orchestra/accompaniment)               'Korpiklaani'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Napalm Records'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Korpiklaani'
'TSOP' (Performer sort order)                       'Korpiklaani'
'TXXX:ASIN'                                         'B000QEILOM'
'TXXX:BARCODE'                                      '693723504223'
'TXXX:CATALOGNUMBER'                                'NPR 212 CD'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MusicBrainz Album Artist Id'                  '50eec634-7c42-41ee-9b1f-b41d9ca28b26'
'TXXX:MusicBrainz Album Id'                         '7b78349b-25ff-4983-9944-c161b5e594c8'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '50eec634-7c42-41ee-9b1f-b41d9ca28b26'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.83 dB'
'TXXX:replaygain_track_peak'                        '0.327073'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'51eeda90-81b4-4cd7-83b2-13c14078751c')

========================== row from database ==========================
                                              'id'  1392825
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Korpiklaani/Tervaskanto/04 - Veriset Aparat (Bloody Bastards Children).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  eid-metal-folk
                                        'filesize'  10802374
                                           'mtime'  1620301694
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 04 Aparat (Bloody Bastards Children) eid metal folk
                                      'tag_artist'  Korpiklaani
                                     'tag_release'  Tervaskanto
                                       'tag_title'  Veriset dpdrdt
                                             'bpm'  126.41
                                    'search_title'  'dpdrdt':2 'veriset':1
                                   'search_artist'  'korpiklaani':1
                                  'search_release'  'tervaskanto':1
                                     'search_rest'  '00dwimp':1 '00metal':2 'aparat':3 'bastards':6 'bloody':4,5 'children':7,8 'eid':9 'folk':11 'metal':10
                                    'search_combo'  '00dwimp':5 '00metal':6 'aparat':7 'bastards':10 'bloody':8,9 'children':11,12 'dpdrdt':2A 'eid':13 'folk':15 'korpiklaani':3B 'metal':14 'tervaskanto':4C 'veriset':1A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['folk metal', 'viking metal', 'metal', 'finnish metal', 'finnish']
                                        'tag_date'  2007
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301693.6792681  (2021-05-06 13:48:13)
                             'size'  10802374