======================== unified (from filesystem) ========================
                                         'bitrate'  '59.519'
                                        'duration'  '599'
                                          'artist'  'Grant Green'
                                     'text_people'  ''
                                         'release'  'Dimitri - Intrumental'
                                           'title'  "It Ain't Necessarily So"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-2', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-2', 'q-drums-2', 'q-other-3', 'q-piano-3', 'q-vocals-1', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '117.7'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Intrumental'
'TBPM' (BPM (beats per minute))                     '117.7'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         "It Ain't Necessarily So"
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grant Green'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'jazz'
'TXXX:lastfmtags'                                   ['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.551733'
'TXXX:youtube'                                      'pwexZIZwgfc'

========================== row from database ==========================
                                              'id'  1509587
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Instrumental/Grant Green - It Ain_t Necessarily So (1962)-pwexZIZwgfc.mp3
                                         'working'  None
                                         'bitrate'  59
                                    'duration_sec'  599
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  4467718
                                           'mtime'  1620538421
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Instrumental Ain_t (1962) pwexZIZwgfc prerock jb jazz unsorted
                                      'tag_artist'  Grant Green
                                     'tag_release'  Dimitri - Intrumental
                                       'tag_title'  It Ain't Necessarily So
                                             'bpm'  117.7
                                    'search_title'  'ain':2 'aint':4 'it':1 'necessarily':5 'so':6 't':3
                                   'search_artist'  'grant':1 'green':2
                                  'search_release'  'dimitri':1 'intrumental':2
                                     'search_rest'  '1962':4,5 'ain':2 'instrumental':1 'jazz':9 'jb':8 'prerock':7 'pwex':11 'pwexzizwgfc':6 't':3 'unsorted':10 'zizwgfc':12
                                    'search_combo'  '1962':14,15 'ain':2A,12 'aint':4A 'dimitri':9C 'grant':7B 'green':8B 'instrumental':11 'intrumental':10C 'it':1A 'jazz':19 'jb':18 'necessarily':5A 'prerock':17 'pwex':21 'pwexzizwgfc':16 'so':6A 't':3A,13 'unsorted':20 'zizwgfc':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-3', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['guitar', 'fip', 'jazz', 'jazz guitar', 'groove', 'funk']
                                        'tag_date'  1962
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620538421.0509462  (2021-05-09 07:33:41)
                             'size'  4467718