======================== unified (from filesystem) ========================
                                         'bitrate'  '184.376'
                                        'duration'  '153'
                                          'artist'  'The Beatles'
                                     'text_people'  ''
                                         'release'  'Beatles for Sale'
                                           'title'  'Rock and Roll Music'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'rock', '60s', 'british', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '14'
                                            'date'  '1964'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic'
                                             'bpm'  '110.2'
                                             'key'  '11B'
                                        'acoustid'  '37f125f5-4a00-477b-94e3-32d7c3ad6282'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beatles for Sale'
'TBPM' (BPM (beats per minute))                     '110.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-classic'
'TDOR' (Original release time)                      '1964'
'TDRC' (Recording time)                             '1964-12-04'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'George Martin']])
'TIT2' (Title/songname/content description)         'Rock and Roll Music'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beatles'
'TPE2' (Band/orchestra/accompaniment)               'The Beatles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '4/14'
'TSO2'                                              'Beatles, The'
'TSOP' (Performer sort order)                       'Beatles, The'
'TSRC' (ISRC (international standard recording code))  'GBAYE0401927/GBAYE0900649'
'TXXX:Acoustid Id'                                  '37f125f5-4a00-477b-94e3-32d7c3ad6282'
'TXXX:Artists'                                      'The Beatles'
'TXXX:CATALOGNUMBER'                                'PMC 1240'
'TXXX:MusicBrainz Album Artist Id'                  'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Album Id'                         'c9f28bf9-3e03-4da2-b0b8-5d76691df7de'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d'
'TXXX:MusicBrainz Release Group Id'                 'f50a3b6f-27f0-3832-bd3f-3568dc557d95'
'TXXX:MusicBrainz Release Track Id'                 '3277aae9-f149-3640-8f90-86a250306863'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['pop', 'rock', '60s', 'british', 'classic rock']
'TXXX:originalyear'                                 '1964'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.420956'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5b84f918-daef-4677-8e46-d830fba0f876')
'USLT::XXX'                                         ('Just let me hear some of that rock and roll music\r\n'
 'Any old way you choose it\r\n'
 "It's got a backbeat, you can't lose it\r\n"
 'Any old time you use it\r\n'
 "It's gotta be rock roll music\r\n"
 'If you wanna dance with me\r\n'
 'If you wanna dance with me\r\n'
 "I've got no kick against modern jazz\r\n"
 'Unless they try to play it too darn fast\r\n'
 'And lose the beauty of the melody\r\n'
 'Until they sound just like a symphony\r\n'
 "That's why I go for that that rock and roll music\r\n"
 'Any old way you choose it\r\n'
 "It's got a backbeat, you can't lose it\r\n"
 'Any old time you use it\r\n'
 "It's gotta be rock roll music\r\n"
 'If you wanna dance with me\r\n'
 'If you wanna dance with me\r\n'
 "I took my loved one over 'cross the tracks\r\n"
 'So she can hear my man awail a sax\r\n'
 "I must admit they have a rockin' band\r\n"
 "Man, they were blowin' like a hurrican'\r\n"
 "That's why I go for that that rock and roll music\r\n"
 'Any old way you choose it\r\n'
 "It's got a backbeat, you can't lose it\r\n"
 'Any old time you use it\r\n'
 "It's gotta be rock roll music\r\n"
 'If you wanna dance with me\r\n'
 'If you wanna dance with me\r\n'
 'Way down South they had a jubilee\r\n'
 'The jokey folks they had a jamboree\r\n'
 "They're drinkin' home brew from a water cup\r\n"
 "The folks dancin' there are all shook up\r\n"
 "And started playin' that that rock and roll music\r\n"
 'Any old time you use it\r\n'
 "It's got a backbeat, you can't lose it\r\n"
 'Any old time you use it\r\n'
 "It's gotta be rock roll music\r\n"
 'If you wanna dance with me\r\n'
 'If you wanna dance with me\r\n'
 "Don't care to hear 'em play a tango\r\n"
 'And In The Mood they take a mambo\r\n'
 "It's way to early for a congo\r\n"
 "So keep a rockin' that piano\r\n"
 "That's why I go for that that rock and roll music\r\n"
 'Any old time you use it\r\n'
 "It's got a backbeat, you can't lose it\r\n"
 'Any old time you use it\r\n'
 "It's gotta be rock roll music\r\n"
 'If you wanna dance with me\r\n'
 'If you wanna dance with me')

========================== row from database ==========================
                                              'id'  1522622
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beatles/_64-beatles for sale/The Beatles - Rock and Roll Music.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  153
                                           'genre'  rock-cppex-classic
                                        'filesize'  3617484
                                           'mtime'  1636039044
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic _64 beatles sale rock cppex classic
                                      'tag_artist'  The Beatles
                                     'tag_release'  Beatles for Sale
                                       'tag_title'  Rock and Roll Music
                                             'bpm'  110.2
                                    'search_title'  'and':2 'music':4 'rock':1 'roll':3
                                   'search_artist'  'beatles':2 'the':1
                                  'search_release'  'beatles':1 'for':2 'sale':3
                                     'search_rest'  '00poprockelectronic':1 '64':2 'beatles':3 'classic':7 'cppex':6 'rock':5 'sale':4
                                    'search_combo'  '00poprockelectronic':10 '64':11 'and':2A 'beatles':6B,7C,12 'classic':16 'cppex':15 'for':8C 'music':4A 'rock':1A,14 'roll':3A 'sale':9C,13 'the':5B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'rock', '60s', 'british', 'classic rock']
                                        'tag_date'  1964
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039044.1941285  (2021-11-04 16:17:24)
                             'size'  3617484