======================== unified (from filesystem) ========================
                                         'bitrate'  '191.613'
                                        'duration'  '512'
                                          'artist'  'Jennifer Lopez'
                                     'text_people'  ''
                                         'release'  'On the 6 Bonus remix CD'
                                           'title'  'Waiting for tonight (Futureshock midnight at mambo remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'latin', 'female vocalists', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '5'
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '128.089'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '3D06D305'
'COMM:ID3v1 Comment:XXX'                            '3D06D305'
'TALB' (Album/Movie/Show title)                     'On the 6 Bonus remix CD'
'TBPM' (BPM (beats per minute))                     '128.089'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TIT2' (Title/songname/content description)         'Waiting for tonight (Futureshock midnight at mambo remix)'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer Lopez'
'TRCK' (Track number/Position in set)               '4/5'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.433963'

========================== row from database ==========================
                                              'id'  1282639
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jennifer Lopez/On the 6 Remix/Jennifer Lopez - Waiting For Tonight (Futureshock Midnight at Mambo Remix) - 04.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  512
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  12265701
                                           'mtime'  1621696303
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Remix For Tonight Midnight Mambo Remix) 04 electronic generic radio dance
                                      'tag_artist'  Jennifer Lopez
                                     'tag_release'  On the 6 Bonus remix CD
                                       'tag_title'  Waiting for tonight (Futureshock midnight at mambo remix)
                                             'bpm'  128.089
                                    'search_title'  'at':7 'for':2 'futureshock':4,5 'mambo':8 'midnight':6 'remix':9,10 'tonight':3 'waiting':1
                                   'search_artist'  'jennifer':1 'lopez':2
                                  'search_release'  '6':3 'bonus':4 'cd':6 'on':1 'remix':5 'the':2
                                     'search_rest'  '00poprockelectronic':1 'dance':11 'electronic':8 'for':3 'generic':9 'mambo':6 'midnight':5 'radio':10 'remix':2,7 'tonight':4
                                    'search_combo'  '00poprockelectronic':19 '6':15C 'at':7A 'bonus':16C 'cd':18C 'dance':29 'electronic':26 'for':2A,21 'futureshock':4A,5A 'generic':27 'jennifer':11B 'lopez':12B 'mambo':8A,24 'midnight':6A,23 'on':13C 'radio':28 'remix':9A,10A,17C,20,25 'the':14C 'tonight':3A,22 'waiting':1A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696302.5508823  (2021-05-22 17:11:42)
                             'size'  12265701