======================== unified (from filesystem) ========================
                                         'bitrate'  '319.988'
                                        'duration'  '267'
                                          'artist'  'Room Eleven'
                                     'text_people'  ''
                                         'release'  'Six White Russians and a Pink Pussycat'
                                           'title'  'Sad Song (Live version)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['singer songwriter', 'jazzy', 'jazz', 'female vocalists', 'dutch']"
                                     'discogstags'  "['smooth jazz', 'jazz-funk', 'swing', 'jazz', 'funk / soul', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-pop;set-pl-sced'
                                             'bpm'  '138.040'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Excellent'
'COMM:MusicMatch_Preference:eng'                    'Excellent'
'POPM:no@email'                                     POPM(email='no@email', rating=255, count=0)
'TALB' (Album/Movie/Show title)                     'Six White Russians and a Pink Pussycat'
'TBPM' (BPM (beats per minute))                     '138.040'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-pop', 'set-pl-sced']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Sad Song (Live version)'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Room Eleven'
'TPE2' (Band/orchestra/accompaniment)               'Room Eleven'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '04'
'TXXX:AccurateRipDiscID'                            '006-0005ae91-001e64e9-40057706-4'
'TXXX:AccurateRipResult'                            'AccurateRip: Not in database   [54DA0000]'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['smooth jazz', 'jazz-funk', 'swing', 'jazz', 'funk / soul', 'pop']
'TXXX:lastfmtags'                                   ['singer songwriter', 'jazzy', 'jazz', 'female vocalists', 'dutch']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.16 dB'
'TXXX:replaygain_track_peak'                        '0.384839'

========================== row from database ==========================
                                              'id'  1371210
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Room Eleven/[2007] Six White Russians and a Pink Pussycat/2-04 Sad Song (Live version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  267
                                           'genre'  prerock-jb-jazz-pop;set-pl-sced
                                        'filesize'  10702693
                                           'mtime'  1620534208
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country [2007] 2 04 prerock jb jazz pop;set pl sced
                                      'tag_artist'  Room Eleven
                                     'tag_release'  Six White Russians and a Pink Pussycat
                                       'tag_title'  Sad Song (Live version)
                                             'bpm'  138.04
                                    'search_title'  'live':3,4 'sad':1 'song':2 'version':5,6
                                   'search_artist'  'eleven':2 'room':1
                                  'search_release'  'a':5 'and':4 'pink':6 'pussycat':7 'russians':3 'six':1 'white':2
                                     'search_rest'  '2':7 '2007':5,6 'country':4 'exotica':2 'jazz':1 'jb':9 'oldies':3 'pl':14 'pop':10,12 'prerock':8 'sced':15 'set':11,13
                                    'search_combo'  '2':22 '2007':20,21 'a':13C 'and':12C 'country':19 'eleven':8B 'exotica':17 'jazz':16 'jb':24 'live':3A,4A 'oldies':18 'pink':14C 'pl':29 'pop':25,27 'prerock':23 'pussycat':15C 'room':7B 'russians':11C 'sad':1A 'sced':30 'set':26,28 'six':9C 'song':2A 'version':5A,6A 'white':10C
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['singer songwriter', 'jazzy', 'jazz', 'female vocalists', 'dutch']
                                        'tag_date'  2007
                                     'discogstags'  ['smooth jazz', 'jazz-funk', 'swing', 'jazz', 'funk / soul', 'pop']

============================== file details ==============================
                                           'mtime'  1620534208.4459062  (2021-05-09 06:23:28)
                             'size'  10702693