======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '607'
                                          'artist'  'The Crystal Method'
                                     'text_people'  ''
                                         'release'  "You Know It's Hard"
                                           'title'  "You Know It's Hard (John Cream"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '130.063'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "You Know It's Hard"
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         "You Know It's Hard (John Cream"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Crystal Method'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.766511'

========================== row from database ==========================
                                              'id'  1292181
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Crystal Method/MBZ;#The Crystal Method;#You Know Its Hard;#01;#You Know Its Hard (John Creamer and Stephane K Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  607
                                           'genre'  electronic-th-techno
                                        'filesize'  14584311
                                           'mtime'  1620572226
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#The Method;#You Its Hard;#01;#You Its Creamer and Stephane Mix) electronic techno
                                      'tag_artist'  The Crystal Method
                                     'tag_release'  You Know It's Hard
                                       'tag_title'  You Know It's Hard (John Cream
                                             'bpm'  130.063
                                    'search_title'  'cream':9 'hard':6 'it':3 'its':5 'john':7,8 'know':2 's':4 'you':1
                                   'search_artist'  'crystal':2 'method':3 'the':1
                                  'search_release'  'hard':6 'it':3 'its':5 'know':2 's':4 'you':1
                                     'search_rest'  '00poprockelectronic':1 '01':12,15 'and':18 'creamer':17 'electronic':22 'hard':11,14 'its':10 'mbz':2,4 'method':6,8 'mix':20,21 'stephane':19 'techno':23 'the':3,5 'you':7,9,13,16
                                    'search_combo'  '00poprockelectronic':19 '01':30,33 'and':36 'cream':9A 'creamer':35 'crystal':11B 'electronic':40 'hard':6A,18C,29,32 'it':3A,15C 'its':5A,17C,28 'john':7A,8A 'know':2A,14C 'mbz':20,22 'method':12B,24,26 'mix':38,39 's':4A,16C 'stephane':37 'techno':41 'the':10B,21,23 'you':1A,13C,25,27,31,34
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['breakbeat', 'electronica', 'techno', 'electronic', 'big beat']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572225.9547322  (2021-05-09 16:57:05)
                             'size'  14584311