======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '419'
                                          'artist'  'Ramon Tapia'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Inferior (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', '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'  "['minimal techno', 'techno', 'electronic', 'tech house', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '121.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '121.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'Inferior (Original Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ramon Tapia'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'techno', 'electronic', 'tech house', 'minimal']
'TXXX:q-bass'                                       '4'
'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'                        '-3.80 dB'
'TXXX:replaygain_track_peak'                        '0.621938'

========================== row from database ==========================
                                              'id'  1389108
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/John Haden - Techno Mnml/Ramon Tapia-Inferior (Original Mix) www.myfreemp3.re .mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  419
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  17011840
                                           'mtime'  1636301097
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats John Haden Techno Mnml www.myfreemp3.re electronic th techno minimal deephouse
                                      'tag_artist'  Ramon Tapia
                                     'tag_release'  None
                                       'tag_title'  Inferior (Original Mix)
                                             'bpm'  121.9
                                    'search_title'  'inferior':1 'mix':4,5 'original':2,3
                                   'search_artist'  'ramon':1 'tapia':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'deephouse':17 'electronic':14 'haden':7 'harder':4 'house':3 'john':6 'minimal':16 'mnml':9 'myfreemp3':11 're':12 'techno':8 'th':15 'www':10 'wwwmyfreemp3re':13
                                    'search_combo'  '00poprockelectronic':8 '00techno':9 'beats':12 'deephouse':24 'electronic':21 'haden':14 'harder':11 'house':10 'inferior':1A 'john':13 'minimal':23 'mix':4A,5A 'mnml':16 'myfreemp3':18 'original':2A,3A 'ramon':6B 're':19 'tapia':7B 'techno':15 'th':22 'www':17 'wwwmyfreemp3re':20
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', '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-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'techno', 'electronic', 'tech house', 'minimal']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636301096.708391  (2021-11-07 17:04:56)
                             'size'  17011840