======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '229'
                                          'artist'  'K'
                                     'text_people'  ''
                                         'release'  'M.O.S. Marbella Collection 2016 - CD3'
                                           'title'  "Ci & JoJo - Tell Me It's Real"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['j pop', 'japanese', 'k pop', 'drum and bass', 'korean', 'jpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '20'
                                            'date'  '2016'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '88.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'M.O.S. Marbella Collection 2016 - CD3'
'TBPM' (BPM (beats per minute))                     '88.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2016'
'TIT2' (Title/songname/content description)         "Ci & JoJo - Tell Me It's Real"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'K'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '08/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.99, 320 Kbit/s, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['j pop', 'japanese', 'k pop', 'drum and bass', 'korean', 'jpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.445658'

========================== row from database ==========================
                                              'id'  1515147
                                            'path'  /data/Music/Bulk/00poprockelectronic/M.O.S. Marbella Collection 2016 - CD3/08 - K - Ci & JoJo - Tell Me It_s Real.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  229
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9526912
                                           'mtime'  1621697715
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 It_s electronic generic or radio dance
                                      'tag_artist'  K
                                     'tag_release'  M.O.S. Marbella Collection 2016 - CD3
                                       'tag_title'  Ci & JoJo - Tell Me It's Real
                                             'bpm'  88.9
                                    'search_title'  'ci':1 'it':5 'its':7 'jo':9 'jojo':2 'me':4 'real':8 's':6 'tell':3
                                   'search_artist'  'k':1
                                  'search_release'  '2016':7 'cd3':8 'collection':6 'm':1 'marbella':5 'mos':4 'o':2 's':3
                                     'search_rest'  '00poprockelectronic':1 'dance':8 'electronic':4 'generic':5 'it':2 'or':6 'radio':7 's':3
                                    'search_combo'  '00poprockelectronic':19 '2016':17C 'cd3':18C 'ci':1A 'collection':16C 'dance':26 'electronic':22 'generic':23 'it':5A,20 'its':7A 'jo':9A 'jojo':2A 'k':10B 'm':11C 'marbella':15C 'me':4A 'mos':14C 'o':12C 'or':24 'radio':25 'real':8A 's':6A,13C,21 'tell':3A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['j pop', 'japanese', 'k pop', 'drum and bass', 'korean', 'jpop']
                                        'tag_date'  2016
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697714.9975572  (2021-05-22 17:35:14)
                             'size'  9526912