======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '189'
                                          'artist'  'Gomalan Brass Quintet'
                                     'text_people'  'F.Tarrega'
                                         'release'  'Gomalan Brass Quintet'
                                           'title'  'Recuerdos de la Alhambra'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'brass quintet', 'brass', 'intello', 'brass ensemble']"
                                     'discogstags'  "['brass & military']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'prerock-classical or classical instruments'
                                             'bpm'  '141.710'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Cleaned by TuneUp!'
'COMM:ID3v1 Comment:XXX'                            ' 000000CD 000000B7 00001313'
'COMM:iTunNORM:eng'                                 (' 000000CD 000000B7 00001313 00000CDC 0001C12F 0001C0C6 000050D0 000044F4 '
 '0001C12F 0001C0C6')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009B4 00000000007F60BC 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '12+D7365F23E50C60B228979603AE21F552+4502882'
'TALB' (Album/Movie/Show title)                     'Gomalan Brass Quintet'
'TBPM' (BPM (beats per minute))                     '141.710'
'TCOM' (Composer)                                   'F.Tarrega'
'TCON' (Content type, a.k.a. Genre)                 'prerock-classical or classical instruments'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v6.0.4.2'
'TIT2' (Title/songname/content description)         'Recuerdos de la Alhambra'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Gomalan Brass Quintet'
'TPE2' (Band/orchestra/accompaniment)               'Gomalan Brass Quintet'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '5/12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'brass & military'
'TXXX:lastfmtags'                                   ['instrumental', 'brass quintet', 'brass', 'intello', 'brass ensemble']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.73 dB'
'TXXX:replaygain_track_peak'                        '0.748821'

========================== row from database ==========================
                                              'id'  1341451
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/05 - recuerdos de la alhambra - gomalan brass quintet - gomalan brass quintet.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  189
                                           'genre'  prerock-classical or classical instruments
                                        'filesize'  4546904
                                           'mtime'  1637329818
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 05 recuerdos alhambra gomalan brass quintet gomalan brass quintet prerock classical or classical instruments
                                      'tag_artist'  Gomalan Brass Quintet
                                     'tag_release'  Gomalan Brass Quintet
                                       'tag_title'  Recuerdos de la Alhambra
                                             'bpm'  141.71
                                    'search_title'  'alhambra':4 'de':2 'la':3 'recuerdos':1
                                   'search_artist'  'brass':2 'gomalan':1 'quintet':3
                                  'search_release'  'brass':2 'gomalan':1 'quintet':3
                                     'search_rest'  '00poprockelectronic':1 'alhambra':8 'brass':10 'classical':13 'files':5,6 'gomalan':9 'instruments':15 'loose':3,4 'or':14 'prerock':12 'quintet':11 'recuerdos':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'alhambra':4A,18 'brass':6B,9C,20 'classical':23 'de':2A 'files':15,16 'gomalan':5B,8C,19 'instruments':25 'la':3A 'loose':13,14 'or':24 'prerock':22 'quintet':7B,10C,21 'recuerdos':1A,17 'unsorted':12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'brass quintet', 'brass', 'intello', 'brass ensemble']
                                        'tag_date'  2004
                                     'discogstags'  ['brass & military']

============================== file details ==============================
                                           'mtime'  1637329817.960737  (2021-11-19 14:50:17)
                             'size'  4546904