======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '896'
                                          'artist'  'The Ray Belmonte Duo'
                                     'text_people'  ''
                                         'release'  'Laugh It Up with Ray and Rick'
                                           'title'  'Laugh It Up with Ray and Rick - Side 2'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                     'discogstags'  "['comedy', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '133.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'TALB' (Album/Movie/Show title)                     'Laugh It Up with Ray and Rick'
'TBPM' (BPM (beats per minute))                     '133.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TIT2' (Title/songname/content description)         'Laugh It Up with Ray and Rick - Side 2'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Ray Belmonte Duo'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['comedy', 'pop']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.757451'

========================== row from database ==========================
                                              'id'  660115
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/292_2_The_Ray_Belmonte_Duo_-_Laugh_It_Up_with_Ray_and_Rick.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  896
                                           'genre'  electronic-unsorted
                                        'filesize'  29246767
                                           'mtime'  1620515920
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 292_2_The_Ray_Belmonte_Duo_ _Laugh_It_Up_with_Ray_and_Rick electronic unsorted
                                      'tag_artist'  The Ray Belmonte Duo
                                     'tag_release'  Laugh It Up with Ray and Rick
                                       'tag_title'  Laugh It Up with Ray and Rick - Side 2
                                             'bpm'  133.1
                                    'search_title'  '2':9 'and':6 'it':2 'laugh':1 'ray':5 'rick':7 'side':8 'up':3 'with':4
                                   'search_artist'  'belmonte':3 'duo':4 'ray':2 'the':1
                                  'search_release'  'and':6 'it':2 'laugh':1 'ray':5 'rick':7 'up':3 'with':4
                                     'search_rest'  '2':2 '292':1 'and':12 'belmonte':5 'duo':6 'electronic':14 'it':8 'laugh':7 'ray':4,11 'rick':13 'the':3 'unsorted':15 'up':9 'with':10
                                    'search_combo'  '2':9A,22 '292':21 'and':6A,19C,32 'belmonte':12B,25 'duo':13B,26 'electronic':34 'it':2A,15C,28 'laugh':1A,14C,27 'ray':5A,11B,18C,24,31 'rick':7A,20C,33 'side':8A 'the':10B,23 'unsorted':35 'up':3A,16C,29 'with':4A,17C,30
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  ['comedy', 'pop']

============================== file details ==============================
                                           'mtime'  1620515919.823254  (2021-05-09 01:18:39)
                             'size'  29246767