======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '264'
                                          'artist'  'Red Hot Chili Peppers'
                                     'text_people'  ''
                                         'release'  'Blood Sugar Sex Magik'
                                           'title'  'Under the Bridge'
                                           '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-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', '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'  '2'
                                      'tracktotal'  '8'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-funk'
                                             'bpm'  '115.854'
                                             'key'  '12B'
                                        'acoustid'  '4135c875-35b5-4b14-939b-799b3fca2922'
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))                     '115.854'
'TCON' (Content type, a.k.a. Genre)                 'rock-funk'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '2011-11-25'
'TIT2' (Title/songname/content description)         'Under the Bridge'
'TKEY' (Initial key)                                '12B'
'TLEN' (Length)                                     '264333'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'Red Hot Chili Peppers'
'TPE2' (Band/orchestra/accompaniment)               'Red Hot Chili Peppers'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '2/8'
'TSO2'                                              'Red Hot Chili Peppers'
'TSOP' (Performer sort order)                       'Red Hot Chili Peppers'
'TSRC' (ISRC (international standard recording code))  'USWB11403541/USWB19901576'
'TXXX:ARTISTS'                                      'Red Hot Chili Peppers'
'TXXX:ASIN'                                         'B0062JD2GM'
'TXXX:Acoustid Id'                                  '4135c875-35b5-4b14-939b-799b3fca2922'
'TXXX:BARCODE'                                      '093624986942'
'TXXX:CATALOGNUMBER'                                '468348-1'
'TXXX:MusicBrainz Album Artist Id'                  '8bfac288-ccc5-448d-9573-c33ea2aa5c30'
'TXXX:MusicBrainz Album Id'                         '7a36fffc-42ce-4d65-aedc-4d0a3c39a4bc'
'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'                 '8e726be0-2d6f-3863-aee2-5aae9865ddad'
'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: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'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.58 dB'
'TXXX:replaygain_track_peak'                        '0.784885'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'10d1062a-7275-458f-ad0d-906eeaa22c57')

========================== row from database ==========================
                                              'id'  1339853
                                            'path'  /data/Music/Bulk/00poprockelectronic/Red Hot Chilli Peppers/Blood Sugar Sex Magik/Red Hot Chili Peppers - Under the Bridge - 11.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  264
                                           'genre'  rock-funk
                                        'filesize'  4278308
                                           'mtime'  1630253031
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Chilli 11 rock funk
                                      'tag_artist'  Red Hot Chili Peppers
                                     'tag_release'  Blood Sugar Sex Magik
                                       'tag_title'  Under the Bridge
                                             'bpm'  115.854
                                    'search_title'  'bridge':3 'the':2 'under':1
                                   'search_artist'  'chili':3 'hot':2 'peppers':4 'red':1
                                  'search_release'  'blood':1 'magik':4 'sex':3 'sugar':2
                                     'search_rest'  '00poprockelectronic':1 'chilli':2 'funk':4 'rock':3
                                    'search_combo'  '00poprockelectronic':12 'blood':8C 'bridge':3A 'chili':6B 'chilli':13 'funk':15 'hot':5B 'magik':11C 'peppers':7B 'red':4B 'rock':14 'sex':10C 'sugar':9C 'the':2A 'under':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', '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'  2011
                                     'discogstags'  ['rock/alternative rock/funk metal']

============================== file details ==============================
                                           'mtime'  1630253030.9646966  (2021-08-29 18:03:50)
                             'size'  4278308