======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '56'
                                          'artist'  'John Fahey'
                                     'text_people'  'John Fahey'
                                         'release'  'The Transfiguration Of Blind Joe Death'
                                           'title'  "Saint Patrick's Hymn"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['guitar', 'instrumental', 'blues', 'experimental', 'folk']"
                                     'discogstags'  "['rock', 'blues', 'country blues', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '109.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'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 \x009\x006\x001\x008\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x007\x009\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x005\x005\x005\x001\x007\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x009\x006\x001\x008\x000\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x003\x007\x009\x001\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x001\x005\x005\x005\x001\x007\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x0c)ºS%ËúM\x9e\x8d\x94 tá8j'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x0c)\xbaS%\xcb\xfaM\x9e\x8d\x94 t\xe18j')
'PRIV:WM/WMCollectionID:\x0c)ºS%ËúM\x9e\x8d\x94 tá8j'  PRIV(owner='WM/WMCollectionID', data=b'\x0c)\xbaS%\xcb\xfaM\x9e\x8d\x94 t\xe18j')
'PRIV:WM/WMContentID:pë\x13§aùF¸+\x9fµÑ\x05\x07\x0e'  PRIV(owner='WM/WMContentID', data=b'p\xeb\x13\xc2\xa7a\xf9F\xb8+\x9f\xb5\xd1\x05\x07\x0e')
'TALB' (Album/Movie/Show title)                     'The Transfiguration Of Blind Joe Death'
'TBPM' (BPM (beats per minute))                     '109.3'
'TCOM' (Composer)                                   'John Fahey'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TCOP' (Copyright message)                          'Riverboat Records'
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'LAME 3.92'
'TIT2' (Title/songname/content description)         "Saint Patrick's Hymn"
'TKEY' (Initial key)                                '9A'
'TOPE' (Original artist(s)/performer(s))            'John Fahey'
'TPE1' (Lead performer(s)/Soloist(s))               'John Fahey'
'TPE2' (Band/orchestra/accompaniment)               'John Fahey'
'TPUB' (Publisher)                                  'Takoma'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'blues', 'country blues', 'folk rock']
'TXXX:lastfmtags'                                   ['guitar', 'instrumental', 'blues', 'experimental', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.54 dB'
'TXXX:replaygain_track_peak'                        '0.492971'

========================== row from database ==========================
                                              'id'  1517518
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/John Fahey/The Transfiguration Of Blind Joe Death/john fahey - the transfiguration of blind joe death - 15 - saint patrick_s hymn.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  56
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  1349504
                                           'mtime'  1621853571
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos john fahey the transfiguration of blind joe death 15 saint patrick_s hymn ifs songwriter folk
                                      'tag_artist'  John Fahey
                                     'tag_release'  The Transfiguration Of Blind Joe Death
                                       'tag_title'  Saint Patrick's Hymn
                                             'bpm'  109.3
                                    'search_title'  'hymn':5 'patrick':2 'patricks':4 's':3 'saint':1
                                   'search_artist'  'fahey':2 'john':1
                                  'search_release'  'blind':4 'death':6 'joe':5 'of':3 'the':1 'transfiguration':2
                                     'search_rest'  '00singer':1 'blind':9 'death':11 'eos':3 'fahey':5 'folk':17 'hymn':15 'ifs':16 'joe':10 'john':4 'of':8 'patrick':13 's':14 'saint':12 'songwriter':2 'the':6 'transfiguration':7
                                    'search_combo'  '00singer':14 'blind':11C,22 'death':13C,24 'eos':16 'fahey':7B,18 'folk':30 'hymn':5A,28 'ifs':29 'joe':12C,23 'john':6B,17 'of':10C,21 'patrick':2A,26 'patricks':4A 's':3A,27 'saint':1A,25 'songwriter':15 'the':8C,19 'transfiguration':9C,20
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['guitar', 'instrumental', 'blues', 'experimental', 'folk']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'blues', 'country blues', 'folk rock']

============================== file details ==============================
                                           'mtime'  1621853571.3017967  (2021-05-24 12:52:51)
                             'size'  1349504