======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '370'
                                          'artist'  'Air Liquide'
                                     'text_people'  ''
                                         'release'  'maleta  acid rave'
                                           'title'  'This Is Not A Mindtrip (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-1', '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-4']")
                                      'lastfmtags'  "['ambient', 'electronic', 'techno', 'idm', 'acid']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '136.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'maleta  acid rave'
'TBPM' (BPM (beats per minute))                     '136.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'This Is Not A Mindtrip (Original Mix)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Air Liquide'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf57.19.100'
'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'                                    '4'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:compatible_brands'                            'Iso6mp41'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['ambient', 'electronic', 'techno', 'idm', 'acid']
'TXXX:major_brand'                                  'Dash'
'TXXX:minor_version'                                '0'
'TXXX:q-bass'                                       '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.587451'

========================== row from database ==========================
                                              'id'  1484526
                                            'path'  /data/Music/Bulk/00poprockelectronic/maleta__ acid rave/air liquide - this is not a mindtrip (original mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  370
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  8892882
                                           'mtime'  1620573738
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic maleta__ air liquide this not mindtrip (original mix) electronic th techno
                                      'tag_artist'  Air Liquide
                                     'tag_release'  maleta  acid rave
                                       'tag_title'  This Is Not A Mindtrip (Original Mix)
                                             'bpm'  136.0
                                    'search_title'  'a':4 'is':2 'mindtrip':5 'mix':8,9 'not':3 'original':6,7 'this':1
                                   'search_artist'  'air':1 'liquide':2
                                  'search_release'  'acid':2 'maleta':1 'rave':3
                                     'search_rest'  '00poprockelectronic':1 'air':3 'electronic':12 'liquide':4 'maleta':2 'mindtrip':7 'mix':10,11 'not':6 'original':8,9 'techno':14 'th':13 'this':5
                                    'search_combo'  '00poprockelectronic':15 'a':4A 'acid':13C 'air':10B,17 'electronic':26 'is':2A 'liquide':11B,18 'maleta':12C,16 'mindtrip':5A,21 'mix':8A,9A,24,25 'not':3A,20 'original':6A,7A,22,23 'rave':14C 'techno':28 'th':27 'this':1A,19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-4', '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-1']
                                      'lastfmtags'  ['ambient', 'electronic', 'techno', 'idm', 'acid']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620573737.8303626  (2021-05-09 17:22:17)
                             'size'  8892882