======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '225'
                                          'artist'  'Bruce Haack'
                                     'text_people'  ''
                                         'release'  'This Old Man'
                                           'title'  'Wooden Bread'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '86.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'9\x00+\x009\x006\x00+\x002\x005\x00B\x00E\x00+\x007\x001\x00A\x002\x00+\x00B\x00F\x005\x001\x00+\x001\x004\x00E\x003\x008\x00+\x001\x009\x000\x005\x00F\x00+\x001\x00F\x001\x00B\x007\x00+\x002\x003\x003\x002\x00A\x00+\x002\x007\x00D\x006\x007\x00+\x002\x009\x00C\x005\x009\x00\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:C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00'  PRIV(owner='WM/Provider', data=b'C\x00D\x00J\x00o\x00u\x00r\x00n\x00a\x00l\x00 \x00J\x00a\x00p\x00a\x00n\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:¨\x19Ö^\x80ÍOH\x9a\x94,kÌq\x8a<'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xa8\x19\xd6^\x80\xcdOH\x9a\x94,k\xccq\x8a<')
'PRIV:WM/WMCollectionID:¨\x19Ö^\x80ÍOH\x9a\x94,kÌq\x8a<'  PRIV(owner='WM/WMCollectionID', data=b'\xa8\x19\xd6^\x80\xcdOH\x9a\x94,k\xccq\x8a<')
'PRIV:WM/WMContentID:Æ\x12\\¢Ý{ÿN\x91kÂ(\x8c$\x1eÏ'  PRIV(owner='WM/WMContentID', data=b'\xc6\x12\\\xa2\xdd{\xffN\x91k\xc2(\x8c$\x1e\xcf')
'TALB' (Album/Movie/Show title)                     'This Old Man'
'TBPM' (BPM (beats per minute))                     '86.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Wooden Bread'
'TKEY' (Initial key)                                '3A'
'TLEN' (Length)                                     '225800'
'TPE1' (Lead performer(s)/Soloist(s))               'Bruce Haack'
'TPE2' (Band/orchestra/accompaniment)               'Bruce Haack'
'TPUB' (Publisher)                                  'ＤＩＭＥＮＴＩＯＮ\u3000５'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.415797'

========================== row from database ==========================
                                              'id'  918980
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bruce Haack/1974 - Bruce Haack - This Old Man (Dimension 5) [192k]/05-wooden bread.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  225
                                           'genre'  electronic-experimental
                                        'filesize'  5423104
                                           'mtime'  1636916813
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1974 (Dimension 5) [192k] 05 wooden bread electronic experimental
                                      'tag_artist'  Bruce Haack
                                     'tag_release'  This Old Man
                                       'tag_title'  Wooden Bread
                                             'bpm'  86.5
                                    'search_title'  'bread':2 'wooden':1
                                   'search_artist'  'bruce':1 'haack':2
                                  'search_release'  'man':3 'old':2 'this':1
                                     'search_rest'  '192k':6,7 '1974':1 '5':4,5 'bread':9 'dimension':2,3 'electronic':10 'experimental':11 'wooden':8
                                    'search_combo'  '192k':13,14 '1974':8 '5':11,12 'bread':2A,16 'bruce':3B 'dimension':9,10 'electronic':17 'experimental':18 'haack':4B 'man':7C 'old':6C 'this':5C 'wooden':1A,15
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'space age pop', 'electronic', 'psychedelic', 'experimental']
                                        'tag_date'  1975
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636916813.052581  (2021-11-14 20:06:53)
                             'size'  5423104