======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '329'
                                          'artist'  'A Reminiscent Drive'
                                     'text_people'  ''
                                         'release'  'Ambrosia'
                                           'title'  'One Hundred Eleven Reasons (! yppaH eB oT)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '96.1'
                                             'key'  '5A'
                                        'acoustid'  'ead34e76-2947-44b2-80ba-6d2f150bccf4'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ambrosia'
'TBPM' (BPM (beats per minute))                     '96.1'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic']
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'One Hundred Eleven Reasons (! yppaH eB oT)'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'A Reminiscent Drive'
'TPE2' (Band/orchestra/accompaniment)               'A Reminiscent Drive'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  "TOY'S FACTORY"
'TRCK' (Track number/Position in set)               '9/14'
'TSO2'                                              'Reminiscent Drive, A'
'TSOP' (Performer sort order)                       'Reminiscent Drive, A'
'TSRC' (ISRC (international standard recording code))  'FRV229900100'
'TXXX:ASIN'                                         'B00004SPLA'
'TXXX:Acoustid Id'                                  'ead34e76-2947-44b2-80ba-6d2f150bccf4'
'TXXX:BARCODE'                                      '4988061878027'
'TXXX:CATALOGNUMBER'                                'TFCK-87802'
'TXXX:MusicBrainz Album Artist Id'                  '3376bc9f-c766-4a7c-8792-c1c938587e00'
'TXXX:MusicBrainz Album Id'                         '2673a309-5af0-4c11-bd55-e706f0d54a55'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '3376bc9f-c766-4a7c-8792-c1c938587e00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.686808'

========================== row from database ==========================
                                              'id'  1374985
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/A Reminiscent Drive - 2000 - Ambrosia (Play It Again Sam) [256k]/A Reminiscent Drive - Ambrosia - 09 - One Hundred Eleven Reasons (To Be Happy).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  329
                                           'genre'  electronic
                                        'filesize'  10531285
                                           'mtime'  1636913044
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer 2000 (Play It Again Sam) [256k] 09 (To Be Happy) electronic
                                      'tag_artist'  A Reminiscent Drive
                                     'tag_release'  Ambrosia
                                       'tag_title'  One Hundred Eleven Reasons (! yppaH eB oT)
                                             'bpm'  96.1
                                    'search_title'  'b':12 'e':11 'eb':6 'eleven':3 'h':10 'hundred':2 'o':13 'one':1 'ot':7,8 'reasons':4 't':14,15 'yppa':9 'yppah':5
                                   'search_artist'  'a':1 'drive':3 'reminiscent':2
                                  'search_release'  'ambrosia':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2000':3 '256k':10,11 'again':7 'be':14 'electronic':17 'happy':15,16 'it':6 'play':4,5 'sam':8,9 'to':12,13
                                    'search_combo'  '00calmer':21 '00poprockelectronic':20 '2000':22 '256k':29,30 'a':16B 'again':26 'ambrosia':19C 'b':12A 'be':33 'drive':18B 'e':11A 'eb':6A 'electronic':36 'eleven':3A 'h':10A 'happy':34,35 'hundred':2A 'it':25 'o':13A 'one':1A 'ot':7A,8A 'play':23,24 'reasons':4A 'reminiscent':17B 'sam':27,28 't':14A,15A 'to':31,32 'yppa':9A 'yppah':5A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'chillout', 'ambient']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913044.265459  (2021-11-14 19:04:04)
                             'size'  10531285