======================== unified (from filesystem) ========================
                                         'bitrate'  '189.519'
                                        'duration'  '248'
                                          'artist'  'Red Hot Chili Peppers'
                                     'text_people'  'Anthony Kiedis, Flea, John Frusciante, Chad Smith'
                                         'release'  'Blood Sugar Sex Magik'
                                           'title'  'The Righteous & The Wicked'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'Q-JZFKS-2', 'Q-OLDST-3', 'q-chart-4', 'q-drums-4', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['alternative rock/funk rock/alternative/funk/rock']"
                                     'discogstags'  "['rock/alternative rock/funk metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '17'
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'rock-funk'
                                             'bpm'  '84.000'
                                             'key'  '10A'
                                        'acoustid'  '2dd1b68c-3ee9-4a70-9aa0-157be33cf3f9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Blood Sugar Sex Magik'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCOM' (Composer)                                   'Anthony Kiedis, Flea, John Frusciante, Chad Smith'
'TCON' (Content type, a.k.a. Genre)                 'rock-funk'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'The Righteous & The Wicked'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hot Chili Peppers'
'TPE2' (Band/orchestra/accompaniment)               'Red Hot Chili Peppers'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records/BMG Direct Marketing, Inc.'
'TRCK' (Track number/Position in set)               '8/17'
'TSO2'                                              'Red Hot Chili Peppers'
'TSOP' (Performer sort order)                       'Red Hot Chili Peppers'
'TSRC' (ISRC (international standard recording code))  'USWB19901573'
'TXXX:ARTISTS'                                      'Red Hot Chili Peppers'
'TXXX:Acoustid Id'                                  '2dd1b68c-3ee9-4a70-9aa0-157be33cf3f9'
'TXXX:CATALOGNUMBER'                                '9 26681-2/D111127'
'TXXX:MusicBrainz Album Artist Id'                  '8bfac288-ccc5-448d-9573-c33ea2aa5c30'
'TXXX:MusicBrainz Album Id'                         '5f9a0315-4e30-47a4-8684-4f928b1bd9d7'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8bfac288-ccc5-448d-9573-c33ea2aa5c30'
'TXXX:MusicBrainz Release Group Id'                 '68bee70d-b425-3813-aca7-dd7b912c3d11'
'TXXX:MusicBrainz Release Track Id'                 'd5194bc4-7670-430a-bcb7-e843ccfc934f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock/alternative rock/funk metal'
'TXXX:iTunes_CDDB_IDs'                              '17+066BA6773C602988AF0CE2AC29AC5F3B+683085'
'TXXX:lastfmtags'                                   'alternative rock/funk rock/alternative/funk/rock'
'TXXX:originalyear'                                 '1991'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.48 dB'
'TXXX:replaygain_track_peak'                        '0.594615'
'TXXX:tempo'                                        '00000 BPM'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'17a7739c-989b-4eea-ad73-b16d5e9c021a')

========================== row from database ==========================
                                              'id'  1255004
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/Red Hot Chili Peppers/Blood Sugar Sex Magik/08 The Righteous & The Wicked.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  248
                                           'genre'  rock-funk
                                        'filesize'  5969539
                                           'mtime'  1630253009
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul 08 rock funk
                                      'tag_artist'  Red Hot Chili Peppers
                                     'tag_release'  Blood Sugar Sex Magik
                                       'tag_title'  The Righteous & The Wicked
                                             'bpm'  84.0
                                    'search_title'  'righteous':2 'the':1 'wicked':3
                                   'search_artist'  'chili':3 'hot':2 'peppers':4 'red':1
                                  'search_release'  'blood':1 'magik':4 'sex':3 'sugar':2
                                     'search_rest'  'funk':2 'rock':4 'soul':3 'swing':1
                                    'search_combo'  'blood':8C 'chili':6B 'funk':13 'hot':5B 'magik':11C 'peppers':7B 'red':4B 'righteous':2A 'rock':15 'sex':10C 'soul':14 'sugar':9C 'swing':12 'the':1A 'wicked':3A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock/funk rock/alternative/funk/rock']
                                        'tag_date'  1991
                                     'discogstags'  ['rock/alternative rock/funk metal']

============================== file details ==============================
                                           'mtime'  1630253008.7429183  (2021-08-29 18:03:28)
                             'size'  5969539