======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '84'
                                          'artist'  'Gonzales'
                                     'text_people'  ''
                                         'release'  'Solo Piano'
                                           'title'  'Oregano'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-3', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'indie', 'piano', 'electronic', 'canadian']"
                                     'discogstags'  "['jazz', 'classical', 'modern classical', 'contemporary jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '128.3'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Solo Piano'
'TBPM' (BPM (beats per minute))                     '128.3'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Oregano'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gonzales'
'TPE2' (Band/orchestra/accompaniment)               'Gonzales'
'TPUB' (Publisher)                                  'No Format'
'TRCK' (Track number/Position in set)               '13'
'TXXX:COMPILATION'                                  '0'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'classical', 'modern classical', 'contemporary jazz']
'TXXX:iTunNORM'                                     ('000000C7 00000102 0000247F 000050A1 0000BA6D 0000B914 00005A96 00008000 '
 '0000AD7D 0000AD7D')
'TXXX:iTunes_CDDB_1'                                'E8099C10+184677+16+150+9341+23468+38681+45713+55127+69667+80960+90333+101886+119160+131949+141367+147717+154494+174949'
'TXXX:iTunes_CDDB_TrackNumber'                      '13'
'TXXX:lastfmtags'                                   ['lounge', 'indie', 'piano', 'electronic', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+5.06 dB'
'TXXX:replaygain_track_peak'                        '0.844707'
'WCOM:http://www.amazon.co.uk/exec/obidos/ASIN/B0002UY7X4/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2'  WCOM(url='http://www.amazon.co.uk/exec/obidos/ASIN/B0002UY7X4/softpointer-20?dev-t=D17H5OIRRQ5XUC%26camp=2025%26link_code=xm2')

========================== row from database ==========================
                                              'id'  1213830
                                            'path'  /data/Music/Bulk/00instruments-classical/Gonzales/Solo Piano/13 - oregano.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  84
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  2073189
                                           'mtime'  1637329794
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 13 oregano prerock classical or classical instruments
                                      'tag_artist'  Gonzales
                                     'tag_release'  Solo Piano
                                       'tag_title'  Oregano
                                             'bpm'  128.3
                                    'search_title'  'oregano':1
                                   'search_artist'  'gonzales':1
                                  'search_release'  'piano':2 'solo':1
                                     'search_rest'  '00instruments':1 'classical':2 'instruments':6 'or':5 'oregano':3 'prerock':4
                                    'search_combo'  '00instruments':5 'classical':6 'gonzales':2B 'instruments':10 'or':9 'oregano':1A,7 'piano':4C 'prerock':8 'solo':3C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'Q-PLAY-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'indie', 'piano', 'electronic', 'canadian']
                                        'tag_date'  2004
                                     'discogstags'  ['jazz', 'classical', 'modern classical', 'contemporary jazz']

============================== file details ==============================
                                           'mtime'  1637329794.2066622  (2021-11-19 14:49:54)
                             'size'  2073189