======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '115'
                                          'artist'  'Gerry Lockran'
                                     'text_people'  'Lockran'
                                         'release'  'Blues Vendetta'
                                           'title'  'Guitar Boogie'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues rock', 'folk rock', 'acoustic blues', 'folk']"
                                     'discogstags'  "['jazz', 'blues']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '13'
                                            'date'  '1967'
                                        'comments'  ''
                                           'genre'  'prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '114.999'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Blues Vendetta'
'TBPM' (BPM (beats per minute))                     '114.999'
'TCOM' (Composer)                                   'Lockran'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-blues', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1967'
'TIT2' (Title/songname/content description)         'Guitar Boogie'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gerry Lockran'
'TRCK' (Track number/Position in set)               '9/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'blues']
'TXXX:lastfmtags'                                   ['blues rock', 'folk rock', 'acoustic blues', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.60 dB'
'TXXX:replaygain_track_peak'                        '0.420520'

========================== row from database ==========================
                                              'id'  973750
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/blues vendetta (1967)/09 guitar boogie.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  115
                                           'genre'  prerock-jb-blues;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  4632609
                                           'mtime'  1620346122
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country blues vendetta (1967) 09 guitar boogie prerock jb blues;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Gerry Lockran
                                     'tag_release'  Blues Vendetta
                                       'tag_title'  Guitar Boogie
                                             'bpm'  114.999
                                    'search_title'  'boogie':2 'guitar':1
                                   'search_artist'  'gerry':1 'lockran':2
                                  'search_release'  'blues':1 'vendetta':2
                                     'search_rest'  '1967':7,8 'blues':5,13,15 'boogie':10 'country':4 'exotica':2 'guitar':9 'jazz':1 'jb':12 'mor':22 'oldies':3 'pl':17 'prerock':11 'set':14,16,19,21 'shirleyspinoza':18,20 'vendetta':6
                                    'search_combo'  '1967':13,14 'blues':5C,11,19,21 'boogie':2A,16 'country':10 'exotica':8 'gerry':3B 'guitar':1A,15 'jazz':7 'jb':18 'lockran':4B 'mor':28 'oldies':9 'pl':23 'prerock':17 'set':20,22,25,27 'shirleyspinoza':24,26 'vendetta':6C,12
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues rock', 'folk rock', 'acoustic blues', 'folk']
                                        'tag_date'  1967
                                     'discogstags'  ['jazz', 'blues']

============================== file details ==============================
                                           'mtime'  1620346121.9745927  (2021-05-07 02:08:41)
                             'size'  4632609