======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '133'
                                          'artist'  'Dengue Fever'
                                     'text_people'  ''
                                         'release'  'Sleepwalking Through the Mekong'
                                           'title'  'Today I Learnt to Drink'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['experimental', 'pop', 'cambodian', 'psychedelic', 'ethnic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '17'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'loc-asia-cambodia;rock-cppex-experimental or noise'
                                             'bpm'  '141.1'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         '* AAC HD'
'GRP1'                                              'North America - US [CA / Los Angeles]'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x001\x00+\x009\x006\x00+\x004\x000\x00A\x00D\x00+\x007\x00D\x004\x00E\x00+\x00A\x005\x000\x001\x00+\x00F\x007\x00C\x008\x00+\x001\x001\x00B\x000\x00E\x00+\x001\x007\x005\x002\x00C\x00+\x001\x00B\x000\x00A\x00C\x00+\x002\x002\x008\x00E\x003\x00+\x002\x002\x00F\x005\x002\x00+\x002\x003\x00D\x00E\x00A\x00+\x002\x008\x004\x00F\x007\x00+\x002\x00D\x004\x001\x001\x00+\x003\x001\x004\x007\x003\x00+\x003\x003\x006\x000\x00A\x00+\x003\x005\x00D\x003\x00C\x00+\x003\x00D\x003\x001\x001\x00+\x003\x00D\x00E\x006\x003\x00\x00\x00')
'PRIV:AverageLevel:{\x17\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x17\x00\x00')
'PRIV:PeakValue:!k\x00\x00'                         PRIV(owner='PeakValue', data=b'!k\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')
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'PRIV:WM/WMCollectionGroupID:DJ\x16p\x16Å\x8cD\x88ÅwN:\x0e-é'  PRIV(owner='WM/WMCollectionGroupID', data=b'DJ\x16p\x16\xc5\x8cD\x88\xc5wN:\x0e-\xe9')
'PRIV:WM/WMCollectionID:DJ\x16p\x16Å\x8cD\x88ÅwN:\x0e-é'  PRIV(owner='WM/WMCollectionID', data=b'DJ\x16p\x16\xc5\x8cD\x88\xc5wN:\x0e-\xe9')
'PRIV:WM/WMContentID:°TqÔ\x84w\x8fA¬ãÜK¨W³m'        PRIV(owner='WM/WMContentID', data=b'\xb0Tq\xd4\x84w\x8fA\xac\xe3\xdcK\xa8W\xb3m')
'TALB' (Album/Movie/Show title)                     'Sleepwalking Through the Mekong'
'TBPM' (BPM (beats per minute))                     '141.1'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-cambodia', 'rock-cppex-experimental or noise']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Today I Learnt to Drink'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '133786'
'TPE1' (Lead performer(s)/Soloist(s))               'Dengue Fever'
'TPE2' (Band/orchestra/accompaniment)               'Dengue Fever'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'M80'
'TRCK' (Track number/Position in set)               '15/17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['experimental', 'pop', 'cambodian', 'psychedelic', 'ethnic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.87 dB'
'TXXX:replaygain_track_peak'                        '0.272018'

========================== row from database ==========================
                                              'id'  1414398
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Dengue Fever - Sleepwalking Through the Mekong/15 Today I Learnt to Drink.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  133
                                           'genre'  loc-asia-cambodia;rock-cppex-experimental or noise
                                        'filesize'  5826078
                                           'mtime'  1621629977
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 15 loc asia cambodia;rock cppex experimental or noise
                                      'tag_artist'  Dengue Fever
                                     'tag_release'  Sleepwalking Through the Mekong
                                       'tag_title'  Today I Learnt to Drink
                                             'bpm'  141.1
                                    'search_title'  'drink':5 'i':2 'learnt':3 'to':4 'today':1
                                   'search_artist'  'dengue':1 'fever':2
                                  'search_release'  'mekong':4 'sleepwalking':1 'the':3 'through':2
                                     'search_rest'  'asia':3 'cambodia':4,6 'classicprogpsy':1 'cppex':8 'experimental':9 'loc':2 'noise':11 'or':10 'rock':5,7
                                    'search_combo'  'asia':14 'cambodia':15,17 'classicprogpsy':12 'cppex':19 'dengue':6B 'drink':5A 'experimental':20 'fever':7B 'i':2A 'learnt':3A 'loc':13 'mekong':11C 'noise':22 'or':21 'rock':16,18 'sleepwalking':8C 'the':10C 'through':9C 'to':4A 'today':1A
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['experimental', 'pop', 'cambodian', 'psychedelic', 'ethnic']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629977.2849822  (2021-05-21 22:46:17)
                             'size'  5826078