======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '39'
                                          'artist'  'BBC'
                                     'text_people'  ''
                                         'release'  'Unknown Album (11/04/2006 10:06:17 AM)'
                                           'title'  'Track 13'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-LOCALNESS-3', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-1', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['shangaan', 'south african', 'spoken word', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'nonmusic-fragments-sounds and sfx'
                                             'bpm'  '140.823'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x00E\x00+\x00B\x009\x00+\x001\x009\x00F\x007\x00+\x002\x000\x00E\x004\x00+\x002\x007\x00C\x00B\x00+\x002\x00F\x009\x006\x00+\x003\x00B\x006\x00A\x00+\x004\x00E\x004\x008\x00+\x005\x002\x00C\x003\x00+\x005\x006\x001\x00D\x00+\x006\x004\x002\x003\x00+\x007\x004\x00B\x00A\x00+\x007\x00D\x00A\x00F\x00+\x00B\x00E\x00B\x006\x00+\x00C\x00A\x006\x002\x00+\x00F\x005\x00D\x009\x00+\x001\x002\x00B\x004\x004\x00+\x001\x002\x00D\x001\x00F\x00+\x001\x002\x00E\x00C\x00D\x00+\x001\x006\x009\x007\x009\x00+\x001\x007\x00D\x00A\x001\x00+\x001\x00D\x005\x00B\x00A\x00+\x002\x002\x003\x006\x007\x00+\x002\x006\x00C\x008\x002\x00+\x002\x00B\x005\x003\x00E\x00+\x003\x000\x004\x007\x003\x00+\x003\x001\x008\x00F\x00F\x00+\x003\x001\x00B\x00B\x00E\x00+\x003\x006\x002\x00E\x00F\x00+\x003\x00A\x00C\x009\x00D\x00+\x003\x00D\x00E\x00C\x00F\x00+\x004\x004\x00E\x009\x009\x00\x00\x00')
'PRIV:AverageLevel:Ñ\x03\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xd1\x03\x00\x00')
'PRIV:PeakValue:Ø.\x00\x00'                         PRIV(owner='PeakValue', data=b'\xd8.\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:U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'U\x00s\x00e\x00r\x00 \x00F\x00e\x00e\x00d\x00b\x00a\x00c\x00k\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:\x9d\x19"o+àïC\x81É\x99/iå\x95B'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x9d\x19"o+\xe0\xefC\x81\xc9\x99/i\xe5\x95B')
'PRIV:WM/WMCollectionID:\x9d\x19"o+àïC\x81É\x99/iå\x95B'  PRIV(owner='WM/WMCollectionID', data=b'\x9d\x19"o+\xe0\xefC\x81\xc9\x99/i\xe5\x95B')
'PRIV:WM/WMContentID:&¡>9à\x7fóL»Ìu\x89à¿âÍ'        PRIV(owner='WM/WMContentID', data=b'&\xa1>9\xe0\x7f\xf3L\xbb\xccu\x89\xe0\xbf\xe2\xcd')
'TALB' (Album/Movie/Show title)                     'Unknown Album (11/04/2006 10:06:17 AM)'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-fragments-sounds and sfx'
'TIT2' (Title/songname/content description)         'Track 13'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '39840'
'TPE1' (Lead performer(s)/Soloist(s))               'Unknown Artist'
'TPE2' (Band/orchestra/accompaniment)               'BBC'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['shangaan', 'south african', 'spoken word', 'british']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '1'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.867246'

========================== row from database ==========================
                                              'id'  945536
                                            'path'  /data/Music/Bulk/0nonmusic/00sfx/Sound Effects Library-14 (Cities)/13 Bus - Exterior - arrives and departs.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  39
                                           'genre'  nonmusic-fragments-sounds and sfx
                                        'filesize'  1596708
                                           'mtime'  1621630325
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00sfx Sound Effects Library 14 (Cities) Bus Exterior arrives and departs nonmusic fragments sounds and sfx
                                      'tag_artist'  BBC
                                     'tag_release'  Unknown Album (11/04/2006 10:06:17 AM)
                                       'tag_title'  Track 13
                                             'bpm'  140.823
                                    'search_title'  'track':1
                                   'search_artist'  'bbc':1
                                  'search_release'  '04':4 '06':8 '10':7 '100617':10 '11':3 '11042006':6 '17':9 '2006':5 'album':2 'am':11,12 'unknown':1
                                     'search_rest'  '00sfx':2 '0nonmusic':1 'and':11 'arrives':10 'bus':8 'cities':6,7 'departs':12 'effects':4 'exterior':9 'fragments':14 'library':5 'nonmusic':13 'sfx':16 'sound':3 'sounds':15
                                    'search_combo'  '00sfx':16 '04':6C '06':10C '0nonmusic':15 '10':9C '100617':12C '11':5C '11042006':8C '17':11C '2006':7C 'album':4C 'am':13C,14C 'and':25 'arrives':24 'bbc':2B 'bus':22 'cities':20,21 'departs':26 'effects':18 'exterior':23 'fragments':28 'library':19 'nonmusic':27 'sfx':30 'sound':17 'sounds':29 'track':1A 'unknown':3C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-1', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['shangaan', 'south african', 'spoken word', 'british']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621630324.6288683  (2021-05-21 22:52:04)
                             'size'  1596708