======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '242'
                                          'artist'  'German Brass'
                                     'text_people'  'Enrique Crespo'
                                         'release'  'The Sound Of Brass'
                                           'title'  'Al Son De Cuba'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', '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'  "['german', 'brass', 'big band', 'brass ensemble']"
                                     'discogstags'  ("['baroque', 'dixieland', 'rumba', 'salsa', 'samba', 'tango', 'jazz', "
 "'latin', 'blues', 'classical']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '15'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '123.708'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            'Cleaned by TuneUp!'
'COMM:iTunNORM:eng'                                 (' 0000051B 000004D8 00002EDC 00002094 0000BE62 00039B2C 00005B46 00005AB2 '
 '0000B74F 00039419')
'MCDI' (Music CD identifier)                        MCDI(data=b'F\x00+\x009\x006\x00+\x001\x00B\x00F\x00B\x00+\x005\x00F\x008\x00F\x00+\x00C\x001\x000\x00B\x00+\x001\x003\x001\x00C\x004\x00+\x001\x005\x00D\x002\x001\x00+\x001\x00B\x000\x002\x005\x00+\x001\x00C\x001\x00C\x00F\x00+\x002\x001\x00C\x009\x000\x00+\x002\x007\x009\x00B\x00E\x00+\x002\x00C\x005\x00D\x00F\x00+\x002\x00F\x00A\x00E\x007\x00+\x003\x003\x00A\x00D\x00F\x00+\x003\x007\x004\x004\x002\x00+\x003\x00F\x007\x00D\x008\x00+\x004\x003\x00E\x00D\x003\x00\x00\x00')
'PRIV:AverageLevel:g\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'g\x0e\x00\x00')
'PRIV:PeakValue:E[\x00\x00'                         PRIV(owner='PeakValue', data=b'E[\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:\r÷Ë10ÕUO¸tª#"\x1e\x1a6'  PRIV(owner='WM/WMCollectionGroupID', data=b'\r\xf7\xcb10\xd5UO\xb8t\xaa#"\x1e\x1a6')
'PRIV:WM/WMCollectionID:\r÷Ë10ÕUO¸tª#"\x1e\x1a6'    PRIV(owner='WM/WMCollectionID', data=b'\r\xf7\xcb10\xd5UO\xb8t\xaa#"\x1e\x1a6')
'PRIV:WM/WMContentID:S\\3b\x82\x8cóN\x98`ðj{\x84[Ï'  PRIV(owner='WM/WMContentID', data=b'S\\3b\x82\x8c\xf3N\x98`\xf0j{\x84[\xcf')
'TALB' (Album/Movie/Show title)                     'The Sound Of Brass'
'TBPM' (BPM (beats per minute))                     '123.708'
'TCOM' (Composer)                                   'Enrique Crespo'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Al Son De Cuba'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '242280'
'TPE1' (Lead performer(s)/Soloist(s))               'German Brass'
'TPE2' (Band/orchestra/accompaniment)               'German Brass'
'TRCK' (Track number/Position in set)               '15/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['baroque',
 'dixieland',
 'rumba',
 'salsa',
 'samba',
 'tango',
 'jazz',
 'latin',
 'blues',
 'classical']
'TXXX:lastfmtags'                                   ['german', 'brass', 'big band', 'brass ensemble']
'TXXX:q-bass'                                       '3'
'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'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.504224'

========================== row from database ==========================
                                              'id'  1360135
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/15 - german brass - al son de cuba (crespo).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  242
                                           'genre'  prerock-band
                                        'filesize'  4905050
                                           'mtime'  1620561998
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 15 german brass al son de cuba (crespo) prerock band
                                      'tag_artist'  German Brass
                                     'tag_release'  The Sound Of Brass
                                       'tag_title'  Al Son De Cuba
                                             'bpm'  123.708
                                    'search_title'  'al':1 'cuba':4 'de':3 'son':2
                                   'search_artist'  'brass':2 'german':1
                                  'search_release'  'brass':4 'of':3 'sound':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'al':9 'band':16 'brass':8 'crespo':13,14 'cuba':12 'de':11 'files':5,6 'german':7 'loose':3,4 'prerock':15 'son':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'al':1A,19 'band':26 'brass':6B,10C,18 'crespo':23,24 'cuba':4A,22 'de':3A,21 'files':15,16 'german':5B,17 'loose':13,14 'of':9C 'prerock':25 'son':2A,20 'sound':8C 'the':7C 'unsorted':12
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['german', 'brass', 'big band', 'brass ensemble']
                                        'tag_date'  2003
                                     'discogstags'  ['baroque', 'dixieland', 'rumba', 'salsa', 'samba', 'tango', 'jazz', 'latin', 'blues', 'classical']

============================== file details ==============================
                                           'mtime'  1620561998.001222  (2021-05-09 14:06:38)
                             'size'  4905050