======================== unified (from filesystem) ========================
                                         'bitrate'  '179.955'
                                        'duration'  '177'
                                          'artist'  '13th Floor Elevators'
                                     'text_people'  ''
                                         'release'  'The Psychedelic Sounds of the 13th Floor Elevators'
                                           'title'  "You Don't Know"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '21'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '120'
                                             'key'  '9A'
                                        'acoustid'  '26631b20-3af6-484d-a0f0-0ed652736f07'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'The Psychedelic Sounds of the 13th Floor Elevators'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDOR' (Original release time)                      '1966'
'TDRC' (Recording time)                             '2005-01-25'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         "You Don't Know"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               '13th Floor Elevators'
'TPE2' (Band/orchestra/accompaniment)               '13th Floor Elevators'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Charly Records'
'TRCK' (Track number/Position in set)               '8/21'
'TSO2'                                              '13th Floor Elevators'
'TSOP' (Performer sort order)                       '13th Floor Elevators'
'TSRC' (ISRC (international standard recording code))  'GBAWA9870864'
'TXXX:ASIN'                                         'B0006VYJT6'
'TXXX:Acoustid Id'                                  '26631b20-3af6-484d-a0f0-0ed652736f07'
'TXXX:Artists'                                      '13th Floor Elevators'
'TXXX:BARCODE'                                      '803415122523'
'TXXX:CATALOGNUMBER'                                'SNAP 225 CD'
'TXXX:MusicBrainz Album Artist Id'                  '1964494f-9f1a-41c1-b054-80ef3b95025c'
'TXXX:MusicBrainz Album Id'                         '77a95eaf-2556-40df-b7a7-abcf00366cc9'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '1964494f-9f1a-41c1-b054-80ef3b95025c'
'TXXX:MusicBrainz Release Group Id'                 '6577ce2b-1be3-4ed0-92c6-f78175280bae'
'TXXX:MusicBrainz Release Track Id'                 '797d0c30-9f1b-39af-8b9d-7a0d67ad300a'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']
'TXXX:originalyear'                                 '1966'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.09 dB'
'TXXX:replaygain_track_peak'                        '0.542120'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'69a3f0fe-b9ac-49f1-89f7-d89c5c882887')

========================== row from database ==========================
                                              'id'  1497684
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/13th Floor Elevators/1966 - The Psychedelic Sounds of the 13th Floor Elevators/08 - You Don_t Know.mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  177
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  4074335
                                           'mtime'  1620736019
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1966 08 Don_t rock cppex psychedelic
                                      'tag_artist'  13th Floor Elevators
                                     'tag_release'  The Psychedelic Sounds of the 13th Floor Elevators
                                       'tag_title'  You Don't Know
                                             'bpm'  120.0
                                    'search_title'  'don':2 'dont':4 'know':5 't':3 'you':1
                                   'search_artist'  '13th':1 'elevators':3 'floor':2
                                  'search_release'  '13th':5 'elevators':7 'floor':6 'of':4 'psychedelic':2 'sounds':3 'the':1
                                     'search_rest'  '1966':2 'classicprogpsy':1 'cppex':6 'don':3 'psychedelic':7 'rock':5 't':4
                                    'search_combo'  '13th':6B,13C '1966':17 'classicprogpsy':16 'cppex':21 'don':2A,18 'dont':4A 'elevators':8B,15C 'floor':7B,14C 'know':5A 'of':12C 'psychedelic':10C,22 'rock':20 'sounds':11C 't':3A,19 'the':9C 'you':1A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['garage rock', 'psychedelic rock', '60s', 'psychedelic', 'rock']
                                        'tag_date'  2005
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736018.909289  (2021-05-11 14:26:58)
                             'size'  4074335