======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '144'
                                          'artist'  'Violent Femmes'
                                     'text_people'  ''
                                         'release'  'Add It Up (1981-1993)'
                                           'title'  'Blister in the Sun'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'indie', 'alternative', 'alternative rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '97.788'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '23+96EA378120E7DA6423B0C25F6'
'COMM:iTunes_CDDB_IDs:eng'                          '23+96EA378120E7DA6423B0C25F63D4DAF4+835548'
'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 \x00 \x002\x001\x002\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x001\x006\x009\x002\x000\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x002\x001\x002\x008\x002\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x006\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x004\x002\x001\x006\x009\x002\x000\x00\x00\x00')
"PRIV:WM/WMCollectionGroupID:S¯'«\x964ÒD»c9ò\xad®\x12»"  PRIV(owner='WM/WMCollectionGroupID', data=b"S\xaf'\xab\x964\xd2D\xbbc9\xf2\xad\xae\x12\xbb")
"PRIV:WM/WMCollectionID:S¯'«\x964ÒD»c9ò\xad®\x12»"  PRIV(owner='WM/WMCollectionID', data=b"S\xaf'\xab\x964\xd2D\xbbc9\xf2\xad\xae\x12\xbb")
'PRIV:WM/WMContentID:¤j*[¨`0I\x81æ\x06¨\x86\x90\x97Ó'  PRIV(owner='WM/WMContentID', data=b'\xa4j*[\xa8`0I\x81\xe6\x06\xa8\x86\x90\x97\xd3')
'TALB' (Album/Movie/Show title)                     'Add It Up (1981-1993)'
'TBPM' (BPM (beats per minute))                     '97.788'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'iTunes v4.7.1.30'
'TIT2' (Title/songname/content description)         'Blister in the Sun'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Violent Femmes'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '3'
'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'
'TXXX:lastfmtags'                                   ['80s', 'indie', 'alternative', 'alternative rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.68 dB'
'TXXX:replaygain_track_peak'                        '0.645211'

========================== row from database ==========================
                                              'id'  1259365
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Violent Femmes/Add It Up/03 blister in the sun.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  144
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2890859
                                           'mtime'  1638554838
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 03 blister sun ifs songwriter indie rock
                                      'tag_artist'  Violent Femmes
                                     'tag_release'  Add It Up (1981-1993)
                                       'tag_title'  Blister in the Sun
                                             'bpm'  97.788
                                    'search_title'  'blister':1 'in':2 'sun':4 'the':3
                                   'search_artist'  'femmes':2 'violent':1
                                  'search_release'  '1981':4 '19811993':6 '1993':5 'add':1 'it':2 'up':3
                                     'search_rest'  '00singer':1 'blister':4 'eos':3 'ifs':6 'indie':7 'rock':8 'songwriter':2 'sun':5
                                    'search_combo'  '00singer':13 '1981':10C '19811993':12C '1993':11C 'add':7C 'blister':1A,16 'eos':15 'femmes':6B 'ifs':18 'in':2A 'indie':19 'it':8C 'rock':20 'songwriter':14 'sun':4A,17 'the':3A 'up':9C 'violent':5B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'indie', 'alternative', 'alternative rock', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1638554837.6081822  (2021-12-03 19:07:17)
                             'size'  2890859