======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '375'
                                          'artist'  'Nip Collective'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  "I'm About (Chunky Dub Humate Remix)"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-GRIT-3', 'q-bass-3', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'q-drums-4', 'q-other-3', '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'  "['hardcore techno', 'gabber', 'hard trance', 'trance', 'acid']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '102.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '102.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         "I'm About (Chunky Dub Humate Remix)"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nip Collective'
'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:lastfmtags'                                   ['hardcore techno', 'gabber', 'hard trance', 'trance', 'acid']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.78 dB'
'TXXX:replaygain_track_peak'                        '0.848641'

========================== row from database ==========================
                                              'id'  1503416
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/nip collective - i_m about (chunky dub human remix).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  375
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  7520128
                                           'mtime'  1620573798
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ nip collective i_m about (chunky dub human remix) electronic th techno
                                      'tag_artist'  Nip Collective
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  I'm About (Chunky Dub Humate Remix)
                                             'bpm'  102.6
                                    'search_title'  'about':4 'chunky':5,6 'dub':7 'humate':8 'i':1 'im':3 'm':2 'remix':9,10
                                   'search_artist'  'collective':2 'nip':1
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'about':7 'chunky':8,9 'collective':4 'dub':10 'electronic':14 'human':11 'i':5 'm':6 'maleta':2 'nip':3 'remix':12,13 'techno':16 'th':15
                                    'search_combo'  '00poprockelectronic':16 'about':4A,22 'acid':14C 'chunky':5A,6A,23,24 'collective':12B,19 'dub':7A,25 'electronic':29 'human':26 'humate':8A 'i':1A,20 'im':3A 'm':2A,21 'maleta':13C,17 'nip':11B,18 'rave':15C 'remix':9A,10A,27,28 'techno':31 'th':30
                                    '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-3', 'Q-BUSY-3', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-3']
                                      'lastfmtags'  ['hardcore techno', 'gabber', 'hard trance', 'trance', 'acid']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573798.4404144  (2021-05-09 17:23:18)
                             'size'  7520128