======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '222'
                                          'artist'  'Gino Vannelli'
                                     'text_people'  'Gino Vannelli'
                                         'release'  'Ultimate Collection'
                                           'title'  'Hurts to Be in Love'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['adult contemporary', 'canadian', 'male vocalists', 'jazz', 'pop']"
                                     'discogstags'  ("['electronic', 'jazz', 'rock', 'funk / soul', 'pop', 'soft rock', 'fusion', "
 "'vocal']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '85.634'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x002\x00+\x009\x006\x00+\x005\x003\x00C\x005\x00+\x009\x004\x000\x009\x00+\x00E\x001\x006\x009\x00+\x001\x002\x002\x008\x007\x00+\x001\x006\x005\x00F\x00F\x00+\x001\x00A\x003\x000\x001\x00+\x001\x00D\x004\x00F\x00E\x00+\x002\x002\x00F\x005\x003\x00+\x002\x00B\x000\x001\x00B\x00+\x002\x00F\x00C\x00F\x00B\x00+\x003\x004\x007\x00E\x00E\x00+\x003\x009\x007\x00A\x00B\x00+\x003\x00D\x002\x009\x00A\x00+\x004\x003\x00F\x00E\x006\x00+\x004\x007\x007\x004\x000\x00+\x004\x00B\x00D\x000\x007\x00+\x004\x00F\x004\x00B\x008\x00+\x005\x004\x006\x000\x00F\x00\x00\x00')
'PRIV:AverageLevel:w\x1b\x00\x00'                   PRIV(owner='AverageLevel', data=b'w\x1b\x00\x00')
'PRIV:PeakValue:þ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xfe\x7f\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: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 \x004\x006\x004\x009\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x003\x004\x002\x002\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x006\x001\x000\x004\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x004\x006\x004\x009\x001\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x001\x003\x004\x002\x002\x009\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x003\x003\x006\x001\x000\x004\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:V©Y¼ù¡âF¼pt\x9c\x03;2\x7f'  PRIV(owner='WM/WMCollectionGroupID', data=b'V\xa9Y\xbc\xf9\xa1\xe2F\xbcpt\x9c\x03;2\x7f')
'PRIV:WM/WMCollectionID:V©Y¼ù¡âF¼pt\x9c\x03;2\x7f'  PRIV(owner='WM/WMCollectionID', data=b'V\xa9Y\xbc\xf9\xa1\xe2F\xbcpt\x9c\x03;2\x7f')
'PRIV:WM/WMContentID:K\x0c\x89\x95\x92\x8e\x86C¥\x98pB7úsÁ'  PRIV(owner='WM/WMContentID', data=b'K\x0c\x89\x95\x92\x8e\x86C\xa5\x98pB7\xfas\xc1')
'TALB' (Album/Movie/Show title)                     'Ultimate Collection'
'TBPM' (BPM (beats per minute))                     '85.634'
'TCOM' (Composer)                                   'Gino Vannelli'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Hurts to Be in Love'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '222266'
'TPE1' (Lead performer(s)/Soloist(s))               'Gino Vannelli'
'TPE2' (Band/orchestra/accompaniment)               'Gino Vannelli'
'TPUB' (Publisher)                                  'Interscope'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic',
 'jazz',
 'rock',
 'funk / soul',
 'pop',
 'soft rock',
 'fusion',
 'vocal']
'TXXX:lastfmtags'                                   ['adult contemporary', 'canadian', 'male vocalists', 'jazz', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.473872'

========================== row from database ==========================
                                              'id'  1317395
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/302-A Gino Vannelli - Hurts To Be In Love (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  222
                                           'genre'  electronic-generic or radio
                                        'filesize'  8886704
                                           'mtime'  1630243326
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 302 A To In (single version) electronic generic or radio
                                      'tag_artist'  Gino Vannelli
                                     'tag_release'  Ultimate Collection
                                       'tag_title'  Hurts to Be in Love
                                             'bpm'  85.634
                                    'search_title'  'be':3 'hurts':1 'in':4 'love':5 'to':2
                                   'search_artist'  'gino':1 'vannelli':2
                                  'search_release'  'collection':2 'ultimate':1
                                     'search_rest'  '00poprockelectronic':1 '1985':2 '302':4 'a':5 'complete':3 'electronic':12 'generic':13 'in':7 'or':14 'radio':15 'single':8,9 'to':6 'version':10,11
                                    'search_combo'  '00poprockelectronic':10 '1985':11 '302':13 'a':14 'be':3A 'collection':9C 'complete':12 'electronic':21 'generic':22 'gino':6B 'hurts':1A 'in':4A,16 'love':5A 'or':23 'radio':24 'single':17,18 'to':2A,15 'ultimate':8C 'vannelli':7B 'version':19,20
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['adult contemporary', 'canadian', 'male vocalists', 'jazz', 'pop']
                                        'tag_date'  1985
                                     'discogstags'  ['electronic', 'jazz', 'rock', 'funk / soul', 'pop', 'soft rock', 'fusion', 'vocal']

============================== file details ==============================
                                           'mtime'  1630243326.079079  (2021-08-29 15:22:06)
                             'size'  8886704