======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '401'
                                          'artist'  'Gamma Loop'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'Harlis And Pheron (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-GRIT-3', 'q-bass-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1', 'Q-SYN-4', 'Q-BUSY-3', 'Q-PLAY-2', 'Q-CHART-2', 'Q-MIXBEAT-3']")
                                      'lastfmtags'  "['acid', 'techno', 'acid techno', 'trance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '98.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '98.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Harlis And Pheron (Original Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gamma Loop'
'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'                                   ['acid', 'techno', 'acid techno', 'trance']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.15 dB'
'TXXX:replaygain_track_peak'                        '0.467836'

========================== row from database ==========================
                                              'id'  1484470
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/gamma loop - harlis and pheron (original mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  401
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  16069444
                                           'mtime'  1620573774
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ gamma loop harlis and pheron (original mix) electronic th techno
                                      'tag_artist'  Gamma Loop
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  Harlis And Pheron (Original Mix)
                                             'bpm'  98.7
                                    'search_title'  'and':2 'harlis':1 'mix':6,7 'original':4,5 'pheron':3
                                   'search_artist'  'gamma':1 'loop':2
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'and':6 'electronic':12 'gamma':3 'harlis':5 'loop':4 'maleta':2 'mix':10,11 'original':8,9 'pheron':7 'techno':14 'th':13
                                    'search_combo'  '00poprockelectronic':13 'acid':11C 'and':2A,18 'electronic':24 'gamma':8B,15 'harlis':1A,17 'loop':9B,16 'maleta':10C,14 'mix':6A,7A,22,23 'original':4A,5A,20,21 'pheron':3A,19 'rave':12C 'techno':26 'th':25
                                    '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'  ['acid', 'techno', 'acid techno', 'trance']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573774.434067  (2021-05-09 17:22:54)
                             'size'  16069444