<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '220.85'
                                        'duration'  '134'
                                          'artist'  'Tom Jones'
                                     'text_people'  ''
                                         'release'  'Trashcan Records Vol. 05 - Hipsville'
                                           'title'  'Hide &amp; Seek'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '27'
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa'
                                             'bpm'  '116.3'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382f10a0>

'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 \x006\x000\x002\x001\x009\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x003\x003\x005\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x003\x006\x000\x009\x007\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x006\x000\x002\x001\x009\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x003\x003\x005\x007\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x001\x000\x003\x006\x000\x009\x007\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:IsñÚ¡}hD¸\x8fp$\x84©µ\x94'  PRIV(owner='WM/WMCollectionGroupID', data=b'Is\xf1\xda\xa1}hD\xb8\x8fp$\x84\xa9\xb5\x94')
'PRIV:WM/WMCollectionID:IsñÚ¡}hD¸\x8fp$\x84©µ\x94'  PRIV(owner='WM/WMCollectionID', data=b'Is\xf1\xda\xa1}hD\xb8\x8fp$\x84\xa9\xb5\x94')
'PRIV:WM/WMContentID:\x95\x7f?@\x14Ã-F¿Þ½]÷\x10\x93/'  PRIV(owner='WM/WMContentID', data=b'\x95\x7f?@\x14\xc3-F\xbf\xde\xbd]\xf7\x10\x93/')
'PRIV:http://www.cdtag.com:\x02\x00Ü\x14\x12\x00'   PRIV(owner='http://www.cdtag.com', data=b'\x02\x00\xdc\x14\x12\x00')
'TALB' (Album/Movie/Show title)                     'Trashcan Records Vol. 05 - Hipsville'
'TBPM' (BPM (beats per minute))                     '116.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-lounge or exotica or bossa'
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Hide &amp; Seek'
'TKEY' (Initial key)                                '12B'
'TLAN' (Language(s))                                'eng'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Jones'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'B.R.'
'TRCK' (Track number/Position in set)               '27'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97 -V2 --vbr-new'
'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:Release type'                                 'elease'
'TXXX:Rip date'                                     'ip date'
'TXXX:Source'                                       'ou'
'TXXX:lastfmtags'                                   ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.19 dB'
'TXXX:replaygain_track_peak'                        '0.412285'

========================== row from database ==========================
                                              'id'  1385059
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The Moe Koffman Quintet - va - Trashcan Records Vol. 05 - Hipsville/27 - Tom Jones - Hide & Seek (Stereo) (Parrot) (Pontypridd, Rhondda Cynon Taff, U.K.).mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  134
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa
                                        'filesize'  3705526
                                           'mtime'  1620536487
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The Moe Koffman Quintet va 27 (Stereo) (Parrot) (Pontypridd, Rhondda Cynon Taff, U.K.) prerock jb jazz lounge exotica bossa
                                      'tag_artist'  Tom Jones
                                     'tag_release'  Trashcan Records Vol. 05 - Hipsville
                                       'tag_title'  Hide & Seek
                                             'bpm'  116.3
                                    'search_title'  'hide':1 'seek':2
                                   'search_artist'  'jones':2 'tom':1
                                  'search_release'  'hipsville':5 'records':2 'trashcan':1 'vol':3,4
                                     'search_rest'  '27':10 'bossa':27 'country':4 'cynon':18 'exotica':2 'jazz':1 'jb':25 'k':22 'koffman':7 'lounge':26 'moe':6 'oldies':3 'parrot':13,14 'pontypridd':15,16 'prerock':24 'quintet':8 'rhondda':17 'stereo':11,12 'taff':19,20 'the':5 'u':21 'uk':23 'va':9
                                    'search_combo'  '27':19 'bossa':36 'country':13 'cynon':27 'exotica':11 'hide':1A 'hipsville':9C 'jazz':10 'jb':34 'jones':4B 'k':31 'koffman':16 'lounge':35 'moe':15 'oldies':12 'parrot':22,23 'pontypridd':24,25 'prerock':33 'quintet':17 'records':6C 'rhondda':26 'seek':2A 'stereo':20,21 'taff':28,29 'the':14 'tom':3B 'trashcan':5C 'u':30 'uk':32 'va':18 'vol':7C,8C
                                    'tag_tracknum'  27
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['male vocalists', 'rock', 'oldies', 'pop', 'classic rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536487.3587847  (2021-05-09 07:01:27)
                             'size'  3705526