======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '153'
                                          'artist'  'Juan Carlos Cobian-Francisco Fiorentino'
                                     'text_people'  ''
                                         'release'  'french tanguerooo'
                                           'title'  'El Unico Lunar  xxx'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga'
                                             'bpm'  '123.406'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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"PRIV:WM/WMCollectionID:ô\x81*jïs²G\x8d0+\x81'äáÏ"  PRIV(owner='WM/WMCollectionID', data=b"\xf4\x81*j\xefs\xb2G\x8d0+\x81'\xe4\xe1\xcf")
'PRIV:WM/WMContentID:\x82Ù\x91\x9c¢æìL\x82H2èZÑ\x9cæ'  PRIV(owner='WM/WMContentID', data=b'\x82\xd9\x91\x9c\xa2\xe6\xecL\x82H2\xe8Z\xd1\x9c\xe6')
'TALB' (Album/Movie/Show title)                     'french tanguerooo'
'TBPM' (BPM (beats per minute))                     '123.406'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-tango or milonga'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'FrenchTanguero'
'TIT2' (Title/songname/content description)         'El Unico Lunar  xxx'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Juan Carlos Cobian-Francisco Fiorentino'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'El Bandoneon'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.87, 128 Kbit/s, Stereo, Normal quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.22 dB'
'TXXX:replaygain_track_peak'                        '0.475121'

========================== row from database ==========================
                                              'id'  925610
                                            'path'  /data/Music/Bulk/00localcharacter/french tanguerooo/juan carlos cobián-francisco fiorentino - el unico lunar.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  153
                                           'genre'  loc-style-tango or milonga
                                        'filesize'  2463616
                                           'mtime'  1620528364
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter juan carlos cobián francisco fiorentino el unico lunar loc style tango milonga
                                      'tag_artist'  Juan Carlos Cobian-Francisco Fiorentino
                                     'tag_release'  french tanguerooo
                                       'tag_title'  El Unico Lunar  xxx
                                             'bpm'  123.406
                                    'search_title'  'el':1 'lunar':3 'unico':2 'xxx':4
                                   'search_artist'  'carlos':2 'cobian':3 'cobianfrancisco':5 'fiorentino':6 'francisco':4 'juan':1
                                  'search_release'  'french':1 'tanguerooo':2
                                     'search_rest'  'carlos':2 'cobian':3,4 'el':7 'fiorentino':6 'francisco':5 'juan':1 'loc':10 'lunar':9 'milonga':13 'style':11 'tango':12 'unico':8
                                    'search_combo'  'carlos':6B,14 'cobian':7B,15,16 'cobianfrancisco':9B 'el':1A,19 'fiorentino':10B,18 'francisco':8B,17 'french':11C 'juan':5B,13 'loc':22 'lunar':3A,21 'milonga':25 'style':23 'tango':24 'tanguerooo':12C 'unico':2A,20 'xxx':4A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528364.1973522  (2021-05-09 04:46:04)
                             'size'  2463616