======================== unified (from filesystem) ========================
                                         'bitrate'  '237.463'
                                        'duration'  '280'
                                          'artist'  'Gerry Mulligan & Astor Piazzolla'
                                     'text_people'  'Astor Piazzolla/Gerry Mulligan'
                                         'release'  'Tango Nuevo'
                                           'title'  'Aire de Buenos Aires'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-2', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental ram', 'robertitus coleccion', 'jazz', 'latin', 'tango']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga;loc-unsorted'
                                             'bpm'  '98.406'
                                             'key'  '6A'
                                        'acoustid'  '22730c83-c20b-42b3-9aa8-f217db8ccac3'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionID:ë»ò;|\tùN\x882\x91QÐ\x82ªµ'  PRIV(owner='WM/WMCollectionID', data=b'\xeb\xbb\xf2;|\t\xf9N\x882\x91Q\xd0\x82\xaa\xb5')
'PRIV:WM/WMContentID:ë\x97Qy2\x18ÂA«kY.Y\x85\x1dö'  PRIV(owner='WM/WMContentID', data=b'\xeb\x97Qy2\x18\xc2A\xabkY.Y\x85\x1d\xf6')
'TALB' (Album/Movie/Show title)                     'Tango Nuevo'
'TBPM' (BPM (beats per minute))                     '98.406'
'TCOM' (Composer)                                   'Astor Piazzolla/Gerry Mulligan'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga', 'loc-unsorted']
'TDOR' (Original release time)                      '1974'
'TDRC' (Recording time)                             '1975'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['electric bass guitar and solo', 'Pino Presti']])
'TIT2' (Title/songname/content description)         'Aire de Buenos Aires'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Gerry Mulligan & Astor Piazzolla'
'TPE2' (Band/orchestra/accompaniment)               'Gerry Mulligan & Astor Piazzolla'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Atlantic'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              'Mulligan, Gerry & Piazzolla, Astor'
'TSOP' (Performer sort order)                       'Mulligan, Gerry & Piazzolla, Astor'
'TXXX:Acoustid Id'                                  '22730c83-c20b-42b3-9aa8-f217db8ccac3'
'TXXX:CATALOGNUMBER'                                'ATL 50168'
'TXXX:MusicBrainz Album Artist Id'                  '68f19808-1f7b-46d4-bd1d-71aaf0f6b267/e280268a-a5ab-4bb0-be4d-ec470ca59131'
'TXXX:MusicBrainz Album Id'                         '26bd6ebb-18e8-4dcc-bbb4-6792d8628a66'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '68f19808-1f7b-46d4-bd1d-71aaf0f6b267/e280268a-a5ab-4bb0-be4d-ec470ca59131'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental ram', 'robertitus coleccion', 'jazz', 'latin', 'tango']
'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-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.424032'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b1ffe8c2-00c2-437f-ac1c-a1ea6509ce4d')

========================== row from database ==========================
                                              'id'  1388265
                                            'path'  /data/Music/Bulk/00localcharacter/Tango Chill Out Experience - Astor Piazzolla/Astor Piazzolla & Gerry Mulligan/[1974] Tango Nuevo/06 Aire de Buenos Aires.mp3
                                         'working'  None
                                         'bitrate'  237
                                    'duration_sec'  280
                                           'genre'  loc-style-tango or milonga;loc-unsorted
                                        'filesize'  8360375
                                           'mtime'  1620528251
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter Chill Out Experience [1974] 06 loc style tango milonga;loc unsorted
                                      'tag_artist'  Gerry Mulligan & Astor Piazzolla
                                     'tag_release'  Tango Nuevo
                                       'tag_title'  Aire de Buenos Aires
                                             'bpm'  98.406
                                    'search_title'  'aire':1 'aires':4 'buenos':3 'de':2
                                   'search_artist'  'astor':3 'gerry':1 'mulligan':2 'piazzolla':4
                                  'search_release'  'nuevo':2 'tango':1
                                     'search_rest'  '1974':4,5 'chill':1 'experience':3 'loc':6,10,12 'milonga':9,11 'out':2 'style':7 'tango':8 'unsorted':13
                                    'search_combo'  '1974':14,15 'aire':1A 'aires':4A 'astor':7B 'buenos':3A 'chill':11 'de':2A 'experience':13 'gerry':5B 'loc':16,20,22 'milonga':19,21 'mulligan':6B 'nuevo':10C 'out':12 'piazzolla':8B 'style':17 'tango':9C,18 'unsorted':23
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental ram', 'robertitus coleccion', 'jazz', 'latin', 'tango']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528251.0855708  (2021-05-09 04:44:11)
                             'size'  8360375