======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '320'
                                          'artist'  'Hyperspace'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Arabian Knights (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-4', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', "
 "'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['all', 'techno', 'trance', 'acid', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  '13'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '93.3'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '93.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Arabian Knights (Original Mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hyperspace'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:CATALOGNUMBER'                                'Teclp23cd'
'TXXX:DISCOGS_ALBUM_ARTIST_MULTI'                   'Baby Doc & The Dentist'
'TXXX:DISCOGS_ARTIST_ALIASES'                       'Hiroshima'
'TXXX:DISCOGS_ARTIST_ANVS'                          'Hyperspace Europa'
'TXXX:DISCOGS_ARTIST_INGROUPS'                      'Hyperspace'
'TXXX:DISCOGS_ARTIST_LINK'                          'Hyperspace'
'TXXX:DISCOGS_ARTIST_MEMBERS'                       'Quentin Franglen'
'TXXX:DISCOGS_ARTIST_MULTI'                         'Hyperspace'
'TXXX:DISCOGS_ARTIST_VARIATION'                     'Baby Doc And The Dentist'
'TXXX:DISCOGS_COUNTRY'                              'Uk'
'TXXX:DISCOGS_LABEL_LINK'                           'Tec'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '10'
'TXXX:DISCOGS_RELEASED'                             '10 Jul 1995'
'TXXX:DISCOGS_RELEASED_RAW'                         '1995-07-10'
'TXXX:DISCOGS_RELEASE_CREDITS'                      'Mastered By [digital] - Jay Burnett'
'TXXX:DISCOGS_RELEASE_ID'                           '88097'
'TXXX:DISCOGS_RELEASE_NOTES'                        ('A Note On The Front Inlay Describes This As "the First Ever Fully Sequenced '
 'Artist Album".')
'TXXX:DISCOGS_TRACK_CREDITS'                        'Written-By - Baby Doc/the Dentist'
'TXXX:DISCOGS_TRACK_POSITION'                       '10'
'TXXX:FORMAT'                                       'Cd, Album, Mixed'
'TXXX:LABEL'                                        'Tec'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '3'
'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-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:STYLE'                                        'Ambient'
'TXXX:TRACKTOTAL'                                   '13'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['all', 'techno', 'trance', 'acid', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.752234'

========================== row from database ==========================
                                              'id'  1484935
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/hyperspace - arabian knights (original mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  320
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  12839994
                                           'mtime'  1620573775
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ hyperspace arabian knights (original mix) electronic th techno
                                      'tag_artist'  Hyperspace
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Arabian Knights (Original Mix)
                                             'bpm'  93.3
                                    'search_title'  'arabian':1 'knights':2 'mix':5,6 'original':3,4
                                   'search_artist'  'hyperspace':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'arabian':4 'electronic':10 'hyperspace':3 'knights':5 'maleta':2 'mix':8,9 'original':6,7 'techno':12 'th':11
                                    'search_combo'  '00poprockelectronic':11 'acid':9C 'arabian':1A,14 'electronic':20 'hyperspace':7B,13 'knights':2A,15 'maleta':8C,12 'mix':5A,6A,18,19 'original':3A,4A,16,17 'rave':10C 'techno':22 'th':21
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-GRIT-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-4', 'Q-SYN-4', 'q-other-2', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['all', 'techno', 'trance', 'acid', 'house']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573775.0491533  (2021-05-09 17:22:55)
                             'size'  12839994