======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '203'
                                          'artist'  'Ros Sereysothea'
                                     'text_people'  ''
                                         'release'  'Shirley & Spinoza'
                                           'title'  'Wait Ten More Month'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-1', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-1']")
                                      'lastfmtags'  "['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '22'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '106.587'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shirley & Spinoza'
'TBPM' (BPM (beats per minute))                     '106.587'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Wait Ten More Month'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ros Sereysothea'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/22'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.284415'

========================== row from database ==========================
                                              'id'  949160
                                            'path'  /data/Music/Bulk/sns/ros sereysothea - wait ten more month.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  203
                                           'genre'  rock-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4883446
                                           'mtime'  1620392940
                                   'redo_metaread'  0
                                        'rest_str'   sns ros sereysothea wait ten more month rock unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Ros Sereysothea
                                     'tag_release'  Shirley & Spinoza
                                       'tag_title'  Wait Ten More Month
                                             'bpm'  106.587
                                    'search_title'  'month':4 'more':3 'ten':2 'wait':1
                                   'search_artist'  'ros':1 'sereysothea':2
                                  'search_release'  'shirley':1 'spinoza':2
                                     'search_rest'  'month':7 'mor':18 'more':6 'pl':13 'rock':8 'ros':2 'sereysothea':3 'set':10,12,15,17 'shirleyspinoza':14,16 'sns':1 'ten':5 'unsorted':9,11 'wait':4
                                    'search_combo'  'month':4A,15 'mor':26 'more':3A,14 'pl':21 'rock':16 'ros':5B,10 'sereysothea':6B,11 'set':18,20,23,25 'shirley':7C 'shirleyspinoza':22,24 'sns':9 'spinoza':8C 'ten':2A,13 'unsorted':17,19 'wait':1A,12
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cambodian rocks', 'khmer', 'cambodian', 'psychedelic', 'cambodia']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392939.8691409  (2021-05-07 15:08:59)
                             'size'  4883446