======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '224'
                                          'artist'  'Marble'
                                     'text_people'  ''
                                         'release'  'Two Zombies Later'
                                           'title'  'Wah Factor 3'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['j pop', 'female vocalist', 'female vocalists', 'japanese', 'pop', 'anime']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '17'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '120.9'
                                             'key'  '5A'
                                        'acoustid'  '6ad411be-042a-4a5d-a118-01405d86f777'
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00000638 0000039D 00001ABE 0000124B 0002712E 0000EA77 00007368 0000725D '
 '0001FBE7 0000EAA5')
'TALB' (Album/Movie/Show title)                     'Two Zombies Later'
'TBPM' (BPM (beats per minute))                     '120.9'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-11-01'
'TIT2' (Title/songname/content description)         'Wah Factor 3'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Marble'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Comfort Stand Recordings'
'TRCK' (Track number/Position in set)               '3/17'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Marble'
'TXXX:Acoustid Id'                                  '6ad411be-042a-4a5d-a118-01405d86f777'
'TXXX:CATALOGNUMBER'                                'CSR001'
'TXXX:COMPILATION'                                  '1'
'TXXX:DISCOGS_ARTIST_LINK'                          'Marble'
'TXXX:DISCOGS_CATALOG'                              'csr001'
'TXXX:DISCOGS_COUNTRY'                              'US'
'TXXX:DISCOGS_LABEL_LINK'                           'Comfort%20Stand%20Recordings'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '03'
'TXXX:DISCOGS_RELEASED'                             '01 Nov 2003'
'TXXX:DISCOGS_RELEASE_ID'                           '460862'
'TXXX:DISCOGS_RELEASE_MONTH'                        '11'
'TXXX:LICENSE'                                      'http://creativecommons.org/licenses/by-nc/1.0//http://creativecommons.org/licenses/by-nc/2.0/'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'd3fea69a-4168-4302-9ab5-494a8ea67f6b'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '71eb16c6-6d98-489b-998d-12ae5a6071eb'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:STYLE'                                        'Experimental'
'TXXX:lastfmtags'                                   ['j pop', 'female vocalist', 'female vocalists', 'japanese', 'pop', 'anime']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.497328'

========================== row from database ==========================
                                              'id'  959659
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/v.a. - two zombies later - strange and unusual music from the exotica mailing list/CD1/03. Marble - Wah Factor 3.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  224
                                           'genre'  electronic-experimental
                                        'filesize'  4485701
                                           'mtime'  1636917391
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm v.a. two zombies later strange and unusual music from the exotica mailing list CD1 03. electronic experimental
                                      'tag_artist'  Marble
                                     'tag_release'  Two Zombies Later
                                       'tag_title'  Wah Factor 3
                                             'bpm'  120.9
                                    'search_title'  '3':3 'factor':2 'wah':1
                                   'search_artist'  'marble':1
                                  'search_release'  'later':3 'two':1 'zombies':2
                                     'search_rest'  '03':17,18 'a':2 'and':8 'cd1':16 'electronic':19 'exotica':13 'experimental':20 'from':11 'later':6 'list':15 'mailing':14 'music':10 'strange':7 'the':12 'two':4 'unusual':9 'v':1 'va':3 'zombies':5
                                    'search_combo'  '03':24,25 '3':3A 'a':9 'and':15 'cd1':23 'electronic':26 'exotica':20 'experimental':27 'factor':2A 'from':18 'later':7C,13 'list':22 'mailing':21 'marble':4B 'music':17 'strange':14 'the':19 'two':5C,11 'unusual':16 'v':8 'va':10 'wah':1A 'zombies':6C,12
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['j pop', 'female vocalist', 'female vocalists', 'japanese', 'pop', 'anime']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636917391.1769598  (2021-11-14 20:16:31)
                             'size'  4485701