======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '349'
                                          'artist'  'Steve Vai'
                                     'text_people'  'Steve Vai'
                                         'release'  'Alien Love Secrets'
                                           'title'  'Bad Horsie'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'rock-gr;set-pl-progspace'
                                             'bpm'  '127.364'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'7\x00+\x009\x006\x00+\x006\x007\x005\x004\x00+\x00A\x009\x003\x00A\x00+\x00E\x00D\x009\x004\x00+\x001\x004\x006\x00A\x00E\x00+\x001\x007\x009\x000\x00F\x00+\x001\x00F\x004\x00D\x007\x00+\x002\x004\x00C\x00D\x001\x00\x00\x00')
'PRIV:AverageLevel:N\x18\x00\x00'                   PRIV(owner='AverageLevel', data=b'N\x18\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\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 \x002\x000\x009\x003\x009\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x003\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x002\x007\x005\x005\x005\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x000\x009\x003\x009\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x00 \x005\x007\x003\x006\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x001\x006\x002\x007\x005\x005\x005\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\tu@\x15hm©I\xad<Ô¤.Û¡¼'  PRIV(owner='WM/WMCollectionGroupID', data=b'\tu@\x15hm\xa9I\xad<\xd4\xa4.\xdb\xa1\xbc')
'PRIV:WM/WMCollectionID:\tu@\x15hm©I\xad<Ô¤.Û¡¼'    PRIV(owner='WM/WMCollectionID', data=b'\tu@\x15hm\xa9I\xad<\xd4\xa4.\xdb\xa1\xbc')
'PRIV:WM/WMContentID:ø\x18\x8e:(\x96áN¶56.k\x81;Á'  PRIV(owner='WM/WMContentID', data=b'\xf8\x18\x8e:(\x96\xe1N\xb656.k\x81;\xc1')
'TALB' (Album/Movie/Show title)                     'Alien Love Secrets'
'TBPM' (BPM (beats per minute))                     '127.364'
'TCOM' (Composer)                                   'Steve Vai'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr', 'set-pl-progspace']
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Bad Horsie'
'TKEY' (Initial key)                                '8A'
'TLEN' (Length)                                     '350000'
'TPE1' (Lead performer(s)/Soloist(s))               'Steve Vai'
'TPE2' (Band/orchestra/accompaniment)               'Steve Vai'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.534236'

========================== row from database ==========================
                                              'id'  1298047
                                            'path'  /data/Music/Bulk/00poprockelectronic/Steve Vai/Steve Vai - Passion and Warfare/01 Bad Horsie.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  349
                                           'genre'  rock-gr;set-pl-progspace
                                        'filesize'  5601582
                                           'mtime'  1636903116
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Passion and Warfare 01 rock gr;set pl progspace
                                      'tag_artist'  Steve Vai
                                     'tag_release'  Alien Love Secrets
                                       'tag_title'  Bad Horsie
                                             'bpm'  127.364
                                    'search_title'  'bad':1 'horsie':2
                                   'search_artist'  'steve':1 'vai':2
                                  'search_release'  'alien':1 'love':2 'secrets':3
                                     'search_rest'  '00poprockelectronic':1 'and':3 'gr':6,8 'passion':2 'pl':10 'progspace':11 'rock':5 'set':7,9 'warfare':4
                                    'search_combo'  '00poprockelectronic':8 'alien':5C 'and':10 'bad':1A 'gr':13,15 'horsie':2A 'love':6C 'passion':9 'pl':17 'progspace':18 'rock':12 'secrets':7C 'set':14,16 'steve':3B 'vai':4B 'warfare':11
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'guitar', 'guitar virtuoso', 'instrumental rock', 'rock']
                                        'tag_date'  1995
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903116.3216696  (2021-11-14 16:18:36)
                             'size'  5601582