======================== unified (from filesystem) ========================
                                         'bitrate'  '320.008'
                                        'duration'  '487'
                                          'artist'  'Mikael Jonasson Feat. Ricky Stone'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Acid Tool (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '130.1'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Acid Tool (Original Mix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mikael Jonasson Feat. Ricky Stone'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.73 dB'
'TXXX:replaygain_track_peak'                        '0.428704'

========================== row from database ==========================
                                              'id'  1484544
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/mikael jonasson feat. ricky stone - acid tool (original mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  487
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  19518251
                                           'mtime'  1620573792
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ mikael jonasson feat. ricky stone tool (original mix) electronic th techno
                                      'tag_artist'  Mikael Jonasson Feat. Ricky Stone
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Acid Tool (Original Mix)
                                             'bpm'  130.1
                                    'search_title'  'acid':1 'mix':5,6 'original':3,4 'tool':2
                                   'search_artist'  'feat':3,4 'jonasson':2 'mikael':1 'ricky':5 'stone':6
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':14 'feat':5,6 'jonasson':4 'maleta':2 'mikael':3 'mix':12,13 'original':10,11 'ricky':7 'stone':8 'techno':16 'th':15 'tool':9
                                    'search_combo'  '00poprockelectronic':16 'acid':1A,14C 'electronic':29 'feat':9B,10B,20,21 'jonasson':8B,19 'maleta':13C,17 'mikael':7B,18 'mix':5A,6A,27,28 'original':3A,4A,25,26 'rave':15C 'ricky':11B,22 'stone':12B,23 'techno':31 'th':30 'tool':2A,24
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573792.2340298  (2021-05-09 17:23:12)
                             'size'  19518251