======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '541'
                                          'artist'  'Blue Amazon'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'No Other Love (Edge Factor Acid)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-1', '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'  ("['progressive trance', 'trance', 'progressive house', 'flesh classics', "
 "'house']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '131.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '131.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'No Other Love (Edge Factor Acid)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Blue Amazon'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['progressive trance', 'trance', 'progressive house', 'flesh classics', 'house']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.604297'

========================== row from database ==========================
                                              'id'  1484422
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/blue amazon - no other love (edge factor acid).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  541
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  21679873
                                           'mtime'  1620573744
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ blue amazon no other love (edge factor acid) electronic techno
                                      'tag_artist'  Blue Amazon
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  No Other Love (Edge Factor Acid)
                                             'bpm'  131.7
                                    'search_title'  'acid':7,8 'edge':4,5 'factor':6 'love':3 'no':1 'other':2
                                   'search_artist'  'amazon':2 'blue':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'acid':11,12 'amazon':4 'blue':3 'edge':8,9 'electronic':13 'factor':10 'love':7 'maleta':2 'no':5 'other':6 'techno':14
                                    'search_combo'  '00poprockelectronic':14 'acid':7A,8A,12C,24,25 'amazon':10B,17 'blue':9B,16 'edge':4A,5A,21,22 'electronic':26 'factor':6A,23 'love':3A,20 'maleta':11C,15 'no':1A,18 'other':2A,19 'rave':13C 'techno':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['progressive trance', 'trance', 'progressive house', 'flesh classics', 'house']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573743.828917  (2021-05-09 17:22:23)
                             'size'  21679873