======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '109'
                                          'artist'  'Eläkeläiset'
                                     'text_people'  ''
                                         'release'  'Humppamaratooni'
                                           'title'  'Humppakostajat'
                                           'quals'  ("['Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-3', 'Q-HAP-4', 'Q-UNU-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['finnish', 'humour', 'humppa', 'cover', 'covers', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '22'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'set-th-novelty-styledcovers;set-cover or covered'
                                             'bpm'  '119.1'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x006\x00+\x009\x006\x00+\x002\x005\x00A\x00D\x00+\x004\x004\x005\x001\x00+\x006\x00B\x004\x00A\x00+\x008\x00B\x006\x00F\x00+\x00A\x00E\x00C\x00E\x00+\x00D\x002\x002\x001\x00+\x00F\x005\x002\x00E\x00+\x001\x001\x002\x000\x00A\x00+\x001\x002\x00F\x007\x009\x00+\x001\x005\x001\x008\x00D\x00+\x001\x007\x002\x007\x00D\x00+\x001\x00A\x000\x00B\x004\x00+\x001\x00C\x001\x005\x006\x00+\x001\x00D\x00D\x00A\x00D\x00+\x002\x000\x001\x000\x004\x00+\x002\x003\x004\x00B\x00F\x00+\x002\x004\x00B\x004\x007\x00+\x002\x007\x005\x00E\x00C\x00+\x002\x00A\x00A\x004\x002\x00+\x002\x00D\x003\x007\x005\x00+\x002\x00F\x00B\x001\x00A\x00+\x003\x003\x00F\x001\x004\x00\x00\x00')
'PRIV:AverageLevel:7\x1f\x00\x00'                   PRIV(owner='AverageLevel', data=b'7\x1f\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x008\x008\x005\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x005\x004\x002\x002\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x005\x006\x005\x002\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x008\x008\x005\x008\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x006\x005\x004\x002\x002\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x006\x009\x005\x006\x005\x002\x000\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x0f\t\x03uº²\xa0O¤\x83(#ýbð{'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x0f\t\x03u\xba\xb2\xa0O\xa4\x83(#\xfdb\xf0{')
'PRIV:WM/WMCollectionID:\x0f\t\x03uº²\xa0O¤\x83(#ýbð{'  PRIV(owner='WM/WMCollectionID', data=b'\x0f\t\x03u\xba\xb2\xa0O\xa4\x83(#\xfdb\xf0{')
'PRIV:WM/WMContentID:A!\x9f»Iý\x12H\x82ôwHNWx\x91'  PRIV(owner='WM/WMContentID', data=b'A!\x9f\xbbI\xfd\x12H\x82\xf4wHNWx\x91')
'TALB' (Album/Movie/Show title)                     'Humppamaratooni'
'TBPM' (BPM (beats per minute))                     '119.1'
'TCON' (Content type, a.k.a. Genre)                 ['set-th-novelty-styledcovers', 'set-cover or covered']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Humppakostajat'
'TKEY' (Initial key)                                '12B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Eläkeläiset'
'TPE2' (Band/orchestra/accompaniment)               'Eläkeläiset'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Stupido Records'
'TRCK' (Track number/Position in set)               '4/22'
'TSO2'                                              'Eläkeläiset'
'TSOP' (Performer sort order)                       'Eläkeläiset'
'TXXX:ASIN'                                         'B0001Z531A'
'TXXX:Artists'                                      'Eläkeläiset'
'TXXX:BARCODE'                                      '6418457001824'
'TXXX:CATALOGNUMBER'                                'TWINCD 38'
'TXXX:MusicBrainz Album Artist Id'                  '09c8218d-454a-489f-b500-80b305f79917'
'TXXX:MusicBrainz Album Id'                         '9e98b2a1-7ff3-4022-9dfd-02bb9ba24f28'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '09c8218d-454a-489f-b500-80b305f79917'
'TXXX:MusicBrainz Release Group Id'                 'de0a00e9-90d1-37f5-aabc-a6af3f5cbe83'
'TXXX:MusicBrainz Release Track Id'                 '5cbb1129-2a6b-35da-8cd2-74a8d61221fc'
'TXXX:Q-HAP'                                        '4'
'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'                                   ['finnish', 'humour', 'humppa', 'cover', 'covers', 'folk']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.378989'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b80033b3-0de5-49be-ae07-b04a45e88f47')

========================== row from database ==========================
                                              'id'  1288829
                                            'path'  /data/Music/Bulk/00poprockelectronic/Humppamaratooni/Humppamaratooni/04 Humppakostajat.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  109
                                           'genre'  set-th-novelty-styledcovers;set-cover or covered
                                        'filesize'  4423952
                                           'mtime'  1620343324
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 th novelty styledcovers;set cover or covered
                                      'tag_artist'  Eläkeläiset
                                     'tag_release'  Humppamaratooni
                                       'tag_title'  Humppakostajat
                                             'bpm'  119.1
                                    'search_title'  'humppakostajat':1
                                   'search_artist'  'elakelaiset':1,2
                                  'search_release'  'humppamaratooni':1
                                     'search_rest'  '00poprockelectronic':1 'cover':8 'covered':10 'novelty':3 'or':9 'set':5,7 'styledcovers':4,6 'th':2
                                    'search_combo'  '00poprockelectronic':5 'cover':12 'covered':14 'elakelaiset':2B,3B 'humppakostajat':1A 'humppamaratooni':4C 'novelty':7 'or':13 'set':9,11 'styledcovers':8,10 'th':6
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['finnish', 'humour', 'humppa', 'cover', 'covers', 'folk']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343324.13011  (2021-05-07 01:22:04)
                             'size'  4423952