======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '3620'
                                          'artist'  'Jimi Hendrix'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Are You Experienced (Complete Album)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-early-blues;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '138.417'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '138.417'
'TCON' (Content type, a.k.a. Genre)                 ['rock-early-blues', 'rock-cppex', 'rock-cppex-psychedelic']
'TIT2' (Title/songname/content description)         'Are You Experienced (Complete Album)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jimi Hendrix'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.487164'

========================== row from database ==========================
                                              'id'  1299608
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Jimi Hendrix - Are You Experienced (Complete Album).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  3620
                                           'genre'  rock-early-blues;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  57923341
                                           'mtime'  1652397963
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] rock early blues;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Jimi Hendrix
                                     'tag_release'  None
                                       'tag_title'  Are You Experienced (Complete Album)
                                             'bpm'  138.417
                                    'search_title'  'album':6,7 'are':1 'complete':4,5 'experienced':3 'you':2
                                   'search_artist'  'hendrix':2 'jimi':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'blues':9,11 'cppex':13,15,17 'early':8 'files':5,6 'loose':3,4 'psychedelic':18 'rock':7,10,12,14,16 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'album':6A,7A 'are':1A 'blues':18,20 'complete':4A,5A 'cppex':22,24,26 'early':17 'experienced':3A 'files':14,15 'hendrix':9B 'jimi':8B 'loose':12,13 'psychedelic':27 'rock':16,19,21,23,25 'unsorted':11 'you':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['guitar', 'blues', 'rock', 'psychedelic', 'classic rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397962.9788027  (2022-05-13 01:26:02)
                             'size'  57923341