======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '212'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  'John Darnielle'
                                         'release'  'Protein Source Of The Future...Now!'
                                           'title'  'Fresh Berries For You'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '112.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::dut'                                         '2b7866ec'
'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 \x005\x008\x007\x002\x009\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x009\x004\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x005\x000\x006\x006\x002\x002\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x005\x008\x007\x002\x009\x006\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x006\x009\x004\x009\x005\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x005\x005\x000\x006\x006\x002\x002\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:µ]C\x03Gl°O³\x91b\n#Q#À'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb5]C\x03Gl\xb0O\xb3\x91b\n#Q#\xc0')
'PRIV:WM/WMCollectionID:µ]C\x03Gl°O³\x91b\n#Q#À'    PRIV(owner='WM/WMCollectionID', data=b'\xb5]C\x03Gl\xb0O\xb3\x91b\n#Q#\xc0')
'PRIV:WM/WMContentID:ÌÑ¢\x80\x02P,@ª®tÒ¸Ûëò'        PRIV(owner='WM/WMContentID', data=b'\xcc\xd1\xa2\x80\x02P,@\xaa\xaet\xd2\xb8\xdb\xeb\xf2')
'TALB' (Album/Movie/Show title)                     'Protein Source Of The Future...Now!'
'TBPM' (BPM (beats per minute))                     '112.9'
'TCOM' (Composer)                                   'John Darnielle'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Fresh Berries For You'
'TKEY' (Initial key)                                '6A'
'TLEN' (Length)                                     '212000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TPUB' (Publisher)                                  '3 Beads of Sweat'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.51 dB'
'TXXX:replaygain_track_peak'                        '0.625597'

========================== row from database ==========================
                                              'id'  1294723
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/Protein Source Of The Future...Now!/the_mountain_goats_-_protein_source_of_the_future...now!_-_08_-_fresh_berries_for_you.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  212
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  3406774
                                           'mtime'  1636402040
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic the_mountain_goats_ _protein_source_of_the_future...now!_ _08_ _fresh_berries_for_you ifs songwriter indie unsorted
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  Protein Source Of The Future...Now!
                                       'tag_title'  Fresh Berries For You
                                             'bpm'  112.9
                                    'search_title'  'berries':2 'for':3 'fresh':1 'you':4
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'future':5 'futurenow':7 'now':6 'of':3 'protein':1 'source':2 'the':4
                                     'search_rest'  '00poprockelectronic':1 '08':16 'berries':18 'for':19 'fresh':17 'future':9 'futurenow':15 'goats':4 'ifs':21 'indie':23 'mountain':3 'now':10 'of':7,13 'protein':5,11 'songwriter':22 'source':6,12 'the':2,8,14 'unsorted':24 'you':20
                                    'search_combo'  '00poprockelectronic':15 '08':30 'berries':2A,32 'for':3A,33 'fresh':1A,31 'future':12C,23 'futurenow':14C,29 'goats':7B,18 'ifs':35 'indie':37 'mountain':6B,17 'now':13C,24 'of':10C,21,27 'protein':8C,19,25 'songwriter':36 'source':9C,20,26 'the':5B,11C,16,22,28 'unsorted':38 'you':4A,34
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk, world, & country', 'alternative rock', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636402040.3806014  (2021-11-08 21:07:20)
                             'size'  3406774