======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '178'
                                          'artist'  'Tommy Dorsey & His Orchestra'
                                     'text_people'  'Irving Caesar/Vincent Youmans'
                                         'release'  "Your Hit Parade: The Late '50s"
                                           'title'  'Tea For Two Cha Cha'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', 'piano', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '119.758'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-068 POS 7'
'COMM:ID3v1 Comment:XXX'                            '58-068 POS 7'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x008\x00+\x009\x006\x00+\x002\x00D\x009\x001\x00+\x005\x003\x00A\x00C\x00+\x007\x00E\x006\x00D\x00+\x00A\x00E\x000\x00B\x00+\x00D\x00C\x004\x006\x00+\x001\x000\x009\x00E\x009\x00+\x001\x003\x00E\x003\x007\x00+\x001\x007\x000\x005\x000\x00+\x001\x00A\x00B\x002\x00E\x00+\x001\x00D\x00C\x005\x009\x00+\x002\x000\x00C\x004\x00F\x00+\x002\x004\x000\x00C\x00F\x00+\x002\x006\x00D\x008\x006\x00+\x002\x00A\x000\x006\x00F\x00+\x002\x00D\x006\x002\x005\x00+\x003\x000\x009\x000\x00D\x00+\x003\x003\x00F\x004\x005\x00+\x003\x007\x003\x00A\x00A\x00+\x003\x009\x00D\x00C\x001\x00+\x003\x00C\x00B\x000\x009\x00+\x003\x00F\x00A\x007\x003\x00+\x004\x003\x001\x002\x00F\x00+\x004\x005\x003\x008\x000\x00+\x004\x007\x00C\x005\x00A\x00\x00\x00')
'PRIV:AverageLevel:\x98\x07\x00\x00'                PRIV(owner='AverageLevel', data=b'\x98\x07\x00\x00')
'PRIV:PeakValue:×V\x00\x00'                         PRIV(owner='PeakValue', data=b'\xd7V\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 \x002\x001\x002\x003\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x005\x005\x000\x001\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x002\x001\x002\x003\x005\x009\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00V\x00A\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x002\x007\x005\x005\x005\x000\x001\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionGroupID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMCollectionID:F\x17Á\x96\x1eææF±\n)G&Ý\x8c9'  PRIV(owner='WM/WMCollectionID', data=b'F\x17\xc1\x96\x1e\xe6\xe6F\xb1\n)G&\xdd\x8c9')
'PRIV:WM/WMContentID:n5¤ÃîF\x8eN\x8e¹ÓëH\x7f§\x8e'  PRIV(owner='WM/WMContentID', data=b'n5\xa4\xc3\xeeF\x8eN\x8e\xb9\xd3\xebH\x7f\xa7\x8e')
'TALB' (Album/Movie/Show title)                     "Your Hit Parade: The Late '50s"
'TBPM' (BPM (beats per minute))                     '119.758'
'TCOM' (Composer)                                   'Irving Caesar/Vincent Youmans'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Tea For Two Cha Cha'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '178533'
'TPE1' (Lead performer(s)/Soloist(s))               'Tommy Dorsey & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Time-Life'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', 'jazz', 'piano', 'swing']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.62 dB'
'TXXX:replaygain_track_peak'                        '0.673380'

========================== row from database ==========================
                                              'id'  1443339
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-068 - Tommy Dorsey & His Orchestra - Tea For Two Cha Cha.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  178
                                           'genre'  prerock-band
                                        'filesize'  7141698
                                           'mtime'  1620561392
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 068 prerock band
                                      'tag_artist'  Tommy Dorsey & His Orchestra
                                     'tag_release'  Your Hit Parade: The Late '50s
                                       'tag_title'  Tea For Two Cha Cha
                                             'bpm'  119.758
                                    'search_title'  'cha':4 'for':2 'tea':1 'two':3
                                   'search_artist'  'dorsey':2 'his':3 'orchestra':4 'tommy':1
                                  'search_release'  '50s':7,8 'hit':2 'late':6 'parade':3,4 'the':5 'your':1
                                     'search_rest'  '00oldiepop':5 '1958':6 '58':7 'band':9 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':21 '1958':22 '50s':15C,16C '58':23 'band':25 'cha':4A 'country':20 'dorsey':6B 'exotica':18 'for':2A 'his':7B 'hit':10C 'jazz':17 'late':14C 'oldies':19 'orchestra':8B 'parade':11C,12C 'prerock':24 'tea':1A 'the':13C 'tommy':5B 'two':3A 'your':9C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', 'piano', 'swing']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620561391.8325408  (2021-05-09 13:56:31)
                             'size'  7141698