======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '420'
                                          'artist'  'Clio'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Techno Frequencies (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-3', 'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['indie', 'italo disco', 'female vocalists', 'pop', 'french']"
                                     'discogstags'  "['italo-disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '125.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '125.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Techno Frequencies (Original Mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Clio'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['italo-disco', 'electronic']
'TXXX:lastfmtags'                                   ['indie', 'italo disco', 'female vocalists', 'pop', 'french']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.73 dB'
'TXXX:replaygain_track_peak'                        '0.433361'

========================== row from database ==========================
                                              'id'  1385082
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/John Haden - Techno Mnml/Clio-Techno Frequencies (Original Mix) www.myfreemp3.re .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  420
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  16869188
                                           'mtime'  1636301094
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats John Haden Mnml www.myfreemp3.re electronic th techno minimal or deephouse
                                      'tag_artist'  Clio
                                     'tag_release'  None
                                       'tag_title'  Techno Frequencies (Original Mix)
                                             'bpm'  125.0
                                    'search_title'  'frequencies':2 'mix':5,6 'original':3,4 'techno':1
                                   'search_artist'  'clio':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'deephouse':18 'electronic':13 'haden':7 'harder':4 'house':3 'john':6 'minimal':16 'mnml':8 'myfreemp3':10 'or':17 're':11 'techno':15 'th':14 'www':9 'wwwmyfreemp3re':12
                                    'search_combo'  '00poprockelectronic':8 '00techno':9 'beats':12 'clio':7B 'deephouse':25 'electronic':20 'frequencies':2A 'haden':14 'harder':11 'house':10 'john':13 'minimal':23 'mix':5A,6A 'mnml':15 'myfreemp3':17 'or':24 'original':3A,4A 're':18 'techno':1A,22 'th':21 'www':16 'wwwmyfreemp3re':19
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'italo disco', 'female vocalists', 'pop', 'french']
                                        'tag_date'  
                                     'discogstags'  ['italo-disco', 'electronic']

============================== file details ==============================
                                           'mtime'  1636301094.204814  (2021-11-07 17:04:54)
                             'size'  16869188