======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '147'
                                          'artist'  'BBC Sound Effects Library'
                                     'text_people'  ''
                                         'release'  'Electronically Generated Sounds'
                                           'title'  'Machine buzz 2'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '92'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '140.335'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=0, count=0)
'TALB' (Album/Movie/Show title)                     'Electronically Generated Sounds'
'TBPM' (BPM (beats per minute))                     '140.335'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-experimental-early', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Machine buzz 2'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'BBC Sound Effects Library'
'TRCK' (Track number/Position in set)               '92'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-3.46 dB'
'TXXX:replaygain_track_peak'                        '0.645753'

========================== row from database ==========================
                                              'id'  242221
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0sound_effects/BBC radiophonic workshop/bbc radiophonic workshop - doctor who sound effects (1978)/bbc sound effects library - 92 - machine buzz 2.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  147
                                           'genre'  electronic-experimental-early;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3539862
                                           'mtime'  1637329283
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0sound_effects radiophonic workshop bbc radiophonic workshop doctor who sound effects (1978) bbc sound effects library 92 machine electronic experimental early;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  BBC Sound Effects Library
                                     'tag_release'  Electronically Generated Sounds
                                       'tag_title'  Machine buzz 2
                                             'bpm'  140.335
                                    'search_title'  '2':3 'buzz':2 'machine':1
                                   'search_artist'  'bbc':1 'effects':3 'library':4 'sound':2
                                  'search_release'  'electronically':1 'generated':2 'sounds':3
                                     'search_rest'  '0sound':1 '1978':10,11 '92':13 'bbc':5 'doctor':6 'early':17,19 'effects':2,9 'electronic':15 'experimental':16 'library':12 'machine':14 'mor':26 'pl':21 'radiophonic':3 'set':18,20,23,25 'shirleyspinoza':22,24 'sound':8 'who':7 'workshop':4
                                    'search_combo'  '0sound':11 '1978':20,21 '2':3A '92':23 'bbc':4B,15 'buzz':2A 'doctor':16 'early':27,29 'effects':6B,12,19 'electronic':25 'electronically':8C 'experimental':26 'generated':9C 'library':7B,22 'machine':1A,24 'mor':36 'pl':31 'radiophonic':13 'set':28,30,33,35 'shirleyspinoza':32,34 'sound':5B,18 'sounds':10C 'who':17 'workshop':14
                                    'tag_tracknum'  92
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1991
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637329283.0760407  (2021-11-19 14:41:23)
                             'size'  3539862