======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '222'
                                          'artist'  'Herb Alpert & the Tijuana Brass'
                                     'text_people'  'Bud Coleman/Eleanor Coleman'
                                         'release'  "Herb Alpert's Ninth [Deluxe Edition]"
                                           'title'  'Bud'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz', 'latin jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1969'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-salon or easy;loc-samerica'
                                             'bpm'  '125.548'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'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/WMCollectionGroupID:Ë\x00LFoñ\x00L\x89à`Q'¬.]"  PRIV(owner='WM/WMCollectionGroupID', data=b"\xcb\x00LFo\xf1\x00L\x89\xe0`Q'\xac.]")
"PRIV:WM/WMCollectionID:Ë\x00LFoñ\x00L\x89à`Q'¬.]"  PRIV(owner='WM/WMCollectionID', data=b"\xcb\x00LFo\xf1\x00L\x89\xe0`Q'\xac.]")
'PRIV:WM/WMContentID:dõÜ\\½ë\x0eG\x94\x01Xxê\x14--'  PRIV(owner='WM/WMContentID', data=b'd\xf5\xdc\\\xbd\xeb\x0eG\x94\x01Xx\xea\x14--')
'TALB' (Album/Movie/Show title)                     "Herb Alpert's Ninth [Deluxe Edition]"
'TBPM' (BPM (beats per minute))                     '125.548'
'TCOM' (Composer)                                   'Bud Coleman/Eleanor Coleman'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-soft-salon or easy', 'loc-samerica']
'TDRC' (Recording time)                             '1969'
'TIT2' (Title/songname/content description)         'Bud'
'TKEY' (Initial key)                                '4A'
'TLEN' (Length)                                     '222440'
'TPE1' (Lead performer(s)/Soloist(s))               'Herb Alpert & Tijuana Brass'
'TPE2' (Band/orchestra/accompaniment)               'Herb Alpert & the Tijuana Brass'
'TPUB' (Publisher)                                  'Shout! Factory'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'latin jazz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.41 dB'
'TXXX:replaygain_track_peak'                        '0.627187'

========================== row from database ==========================
                                              'id'  917851
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00jazzes/Alpert, Herp/Ninth/05_Bud.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  222
                                           'genre'  prerock-jb-jazz-soft-salon or easy;loc-samerica
                                        'filesize'  5334116
                                           'mtime'  1621626232
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00jazzes Alpert, Herp 05_Bud prerock jb jazz soft salon or easy;loc samerica
                                      'tag_artist'  Herb Alpert & the Tijuana Brass
                                     'tag_release'  Herb Alpert's Ninth [Deluxe Edition]
                                       'tag_title'  Bud
                                             'bpm'  125.548
                                    'search_title'  'bud':1
                                   'search_artist'  'alpert':2 'brass':5 'herb':1 'the':3 'tijuana':4
                                  'search_release'  'alpert':2 'alperts':4 'deluxe':6,7 'edition':8,9 'herb':1 'ninth':5 's':3
                                     'search_rest'  '00jazzes':5 '05':9 'alpert':6,7 'bud':10 'country':4 'easy':16,18 'exotica':2 'herp':8 'jazz':1 'jb':12 'loc':17,19 'oldies':3 'or':15 'prerock':11 'salon':14 'samerica':20 'soft':13
                                    'search_combo'  '00jazzes':20 '05':24 'alpert':3B,8C,21,22 'alperts':10C 'brass':6B 'bud':1A,25 'country':19 'deluxe':12C,13C 'easy':31,33 'edition':14C,15C 'exotica':17 'herb':2B,7C 'herp':23 'jazz':16 'jb':27 'loc':32,34 'ninth':11C 'oldies':18 'or':30 'prerock':26 's':9C 'salon':29 'samerica':35 'soft':28 'the':4B 'tijuana':5B
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['q-vocals-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-1']
                                        'tag_date'  1969
                                     'discogstags'  ['jazz', 'latin jazz']

============================== file details ==============================
                                           'mtime'  1621626232.42663  (2021-05-21 21:43:52)
                             'size'  5334116