======================== unified (from filesystem) ========================
                                         'bitrate'  '192.324'
                                        'duration'  '230'
                                          'artist'  'Dada Life'
                                     'text_people'  ''
                                         'release'  'Dr. Lektroluv: Live @ Extrema'
                                           'title'  'Big Time (Linus Loves Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['house', 'electro', 'electronic', 'electro house', 'tech house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '133.316'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dr. Lektroluv: Live @ Extrema'
'TBPM' (BPM (beats per minute))                     '133.316'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Big Time (Linus Loves Remix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dada Life'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '-2038608128'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'electro', 'electronic', 'electro house', 'tech house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.480523'

========================== row from database ==========================
                                              'id'  1458543
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Dr. Lektroluv/LektroLuv live at Extrema outdoor 2006/12 Big Time (Linus Loves Remix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  230
                                           'genre'  electronic-we-electro
                                        'filesize'  5541888
                                           'mtime'  1621697823
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop LektroLuv live at outdoor 2006 12 electronic we electro
                                      'tag_artist'  Dada Life
                                     'tag_release'  Dr. Lektroluv: Live @ Extrema
                                       'tag_title'  Big Time (Linus Loves Remix)
                                             'bpm'  133.316
                                    'search_title'  'big':1 'linus':3,4 'loves':5 'remix':6,7 'time':2
                                   'search_artist'  'dada':1 'life':2
                                  'search_release'  'dr':1,2 'extrema':6 'lektroluv':3,4 'live':5
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 '2006':9 'at':7 'electro':12 'electronic':10 'electropop':3 'lektro':13 'lektroluv':5 'live':6 'luv':14 'outdoor':8 'synthpop':4 'we':11
                                    'search_combo'  '00electro':17 '00poprockelectronic':16 '2006':24 'at':22 'big':1A 'dada':8B 'dr':10C,11C 'electro':27 'electronic':25 'electropop':18 'extrema':15C 'lektro':28 'lektroluv':12C,13C,20 'life':9B 'linus':3A,4A 'live':14C,21 'loves':5A 'luv':29 'outdoor':23 'remix':6A,7A 'synthpop':19 'time':2A 'we':26
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['house', 'electro', 'electronic', 'electro house', 'tech house']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621697823.1686819  (2021-05-22 17:37:03)
                             'size'  5541888