======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '521'
                                          'artist'  'Lemon Jelly'
                                     'text_people'  ''
                                         'release'  'Lost Horizons'
                                           'title'  'Return to Patagonia'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'downtempo', 'trip hop', 'electronic', 'chillout']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '128'
                                             'key'  '4A'
                                        'acoustid'  '9f922280-5fb2-463e-9745-050418e85480'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Lost Horizons'
'TBPM' (BPM (beats per minute))                     '128'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2003-08-27'
'TIT2' (Title/songname/content description)         'Return to Patagonia'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Enhanced CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Lemon Jelly'
'TPE2' (Band/orchestra/accompaniment)               'Lemon Jelly'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'XL Recordings'
'TRCK' (Track number/Position in set)               '4/9'
'TSO2'                                              'Lemon Jelly'
'TSOP' (Performer sort order)                       'Lemon Jelly'
'TSRC' (ISRC (international standard recording code))  'GBBKS0200461'
'TXXX:ASIN'                                         'B0000AFOQD'
'TXXX:Acoustid Id'                                  '9f922280-5fb2-463e-9745-050418e85480'
'TXXX:Artists'                                      'Lemon Jelly'
'TXXX:BARCODE'                                      '4988009015477'
'TXXX:CATALOGNUMBER'                                'SRCP 364'
'TXXX:MusicBrainz Album Artist Id'                  '4cbbf0d6-6c78-4e3d-ab25-91b13603cf7c'
'TXXX:MusicBrainz Album Id'                         '7d69651a-e8c6-4723-bc94-4eb712a1a5a0'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4cbbf0d6-6c78-4e3d-ab25-91b13603cf7c'
'TXXX:MusicBrainz Release Group Id'                 '9bc9a542-ef68-38ee-a0a5-6189a422ccb7'
'TXXX:MusicBrainz Release Track Id'                 'b8f80444-0d16-3adb-ba21-7a653a53bef9'
'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', 'downtempo', 'trip hop', 'electronic', 'chillout']
'TXXX:mood'                                         'Not sad/Not acoustic/Not aggressive/Relaxed/Not happy/Electronic/Not party'
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.488009'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'ede901fa-f0da-4bdb-9f69-83587c299d85')

========================== row from database ==========================
                                              'id'  1300351
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lemon Jelly/Lost Horizons/MBZ;#Lemon Jelly;#Lost Horizons;#04;#Return to Patagonia.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  521
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  10525321
                                           'mtime'  1636911319
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Lemon Jelly;#Lost Horizons;#04;#Return electronic trip hop downtempo acid jazz
                                      'tag_artist'  Lemon Jelly
                                     'tag_release'  Lost Horizons
                                       'tag_title'  Return to Patagonia
                                             'bpm'  128.0
                                    'search_title'  'patagonia':3 'return':1 'to':2
                                   'search_artist'  'jelly':2 'lemon':1
                                  'search_release'  'horizons':2 'lost':1
                                     'search_rest'  '00poprockelectronic':1 '04':11,14 'acid':20 'downtempo':19 'electronic':16 'hop':18 'horizons':10,13 'jazz':21 'jelly':6,8 'lemon':3,5 'lost':7,9 'mbz':2,4 'return':12,15 'trip':17
                                    'search_combo'  '00poprockelectronic':8 '04':18,21 'acid':27 'downtempo':26 'electronic':23 'hop':25 'horizons':7C,17,20 'jazz':28 'jelly':5B,13,15 'lemon':4B,10,12 'lost':6C,14,16 'mbz':9,11 'patagonia':3A 'return':1A,19,22 'to':2A 'trip':24
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'downtempo', 'trip hop', 'electronic', 'chillout']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636911319.1315372  (2021-11-14 18:35:19)
                             'size'  10525321