======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '229'
                                          'artist'  'Vanilla Ice'
                                     'text_people'  ''
                                         'release'  "BACK TO THE 80'S AND 90'S Disc 2"
                                           'title'  'Ice Ice Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['90s', 'pop', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism;set-pl-billboard'
                                             'bpm'  '115.722'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000400 000003D5 00005522'
'COMM:iTunNORM:eng'                                 (' 00000400 000003D5 00005522 00004F99 000318D5 00011260 00007D4A 00007798 '
 '00024866 0001EE3D')
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x000\x00+\x009\x006\x00+\x003\x00F\x006\x002\x00+\x009\x008\x00F\x002\x00+\x00D\x00C\x004\x00F\x00+\x001\x001\x00F\x006\x004\x00+\x001\x006\x00A\x008\x00D\x00+\x001\x00A\x00E\x000\x004\x00+\x001\x00E\x00F\x001\x008\x00+\x002\x003\x007\x009\x000\x00+\x002\x008\x005\x007\x00A\x00+\x002\x00D\x00A\x000\x000\x00+\x003\x002\x008\x00A\x001\x00+\x003\x005\x00E\x009\x009\x00+\x003\x00A\x008\x009\x000\x00+\x003\x00E\x00B\x005\x00E\x00+\x004\x003\x002\x005\x002\x00+\x004\x006\x00F\x006\x008\x00\x00\x00')
'PRIV:AverageLevel: \x14\x00\x00'                   PRIV(owner='AverageLevel', data=b' \x14\x00\x00')
'PRIV:PeakValue:do\x00\x00'                         PRIV(owner='PeakValue', data=b'do\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:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMCollectionID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMCollectionID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/WMContentID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/WMContentID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     "BACK TO THE 80'S AND 90'S Disc 2"
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 ['hip hop or rnb or rap or turntablism', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Ice Ice Baby'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '230280'
'TPE1' (Lead performer(s)/Soloist(s))               'Vanilla Ice'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['90s', 'pop', 'hip hop', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.06 dB'
'TXXX:replaygain_track_peak'                        '0.582015'

========================== row from database ==========================
                                              'id'  1352452
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/06 ice ice baby.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  229
                                           'genre'  hip hop or rnb or rap or turntablism;set-pl-billboard
                                        'filesize'  3679373
                                           'mtime'  1620535631
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 06 ice ice baby hip hop or rnb or rap or turntablism;set pl billboard
                                      'tag_artist'  Vanilla Ice
                                     'tag_release'  BACK TO THE 80'S AND 90'S Disc 2
                                       'tag_title'  Ice Ice Baby
                                             'bpm'  115.722
                                    'search_title'  'baby':2 'ice':1
                                   'search_artist'  'ice':2 'vanilla':1
                                  'search_release'  '2':12 '80':4 '80s':6 '90':8 '90s':10 'and':7 'back':1 'disc':11 's':5,9 'the':3 'to':2
                                     'search_rest'  '00poprockelectronic':1 'baby':8 'billboard':19 'files':5,6 'hip':9 'hop':10 'ice':7 'loose':3,4 'or':11 'pl':18 'rap':13 'rnb':12 'set':15,17 'turntablism':14,16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':17 '2':16C '80':8C '80s':10C '90':12C '90s':14C 'and':11C 'baby':2A,24 'back':5C 'billboard':35 'disc':15C 'files':21,22 'hip':25 'hop':26 'ice':1A,4B,23 'loose':19,20 'or':27 'pl':34 'rap':29 'rnb':28 's':9C,13C 'set':31,33 'the':7C 'to':6C 'turntablism':30,32 'unsorted':18 'vanilla':3B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['90s', 'pop', 'hip hop', 'rap']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620535631.1630623  (2021-05-09 06:47:11)
                             'size'  3679373