======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '266'
                                          'artist'  'Jennifer Lopez'
                                     'text_people'  ''
                                         'release'  'On The 6'
                                           'title'  'Could This Be Love'
                                           '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-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'rnb', 'latin', 'female vocalists', 'pop']"
                                     'discogstags'  "['latin', 'pop', 'rnb/swing', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '89.374'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'On The 6'
'TBPM' (BPM (beats per minute))                     '89.374'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Could This Be Love'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jennifer Lopez'
'TRCK' (Track number/Position in set)               '6'
'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:discogstags'                                  ['latin', 'pop', 'rnb/swing', 'disco']
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'latin', 'female vocalists', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.50 dB'
'TXXX:replaygain_track_peak'                        '0.520489'

========================== row from database ==========================
                                              'id'  1338937
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jennifer Lopez/Jennifer Lopez__MBZ;#Jennifer Lopez;#On The 6;#06;#Could this be love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  266
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  6395776
                                           'mtime'  1621696303
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Lopez__MBZ;#Jennifer Lopez;#On 6;#06;#Could this be love electronic generic or radio dance
                                      'tag_artist'  Jennifer Lopez
                                     'tag_release'  On The 6
                                       'tag_title'  Could This Be Love
                                             'bpm'  89.374
                                    'search_title'  'be':3 'could':1 'love':4 'this':2
                                   'search_artist'  'jennifer':1 'lopez':2
                                  'search_release'  '6':3 'on':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 '06':13,16 '6':12,15 'be':19 'could':14,17 'dance':25 'electronic':21 'generic':22 'jennifer':4,7 'lopez':2,5,8,10 'love':20 'mbz':3,6 'on':9,11 'or':23 'radio':24 'this':18
                                    'search_combo'  '00poprockelectronic':10 '06':22,25 '6':9C,21,24 'be':3A,28 'could':1A,23,26 'dance':34 'electronic':30 'generic':31 'jennifer':5B,13,16 'lopez':6B,11,14,17,19 'love':4A,29 'mbz':12,15 'on':7C,18,20 'or':32 'radio':33 'the':8C 'this':2A,27
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-3', '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'  2002
                                     'discogstags'  ['latin', 'pop', 'rnb/swing', 'disco']

============================== file details ==============================
                                           'mtime'  1621696302.544282  (2021-05-22 17:11:42)
                             'size'  6395776