======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '151'
                                          'artist'  'Abel Ramos'
                                     'text_people'  'speedwave'
                                         'release'  'Tecktonik, Vol. 2 [Disc 1]'
                                           'title'  'Electro Fun Remix'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['trance', 'techno', 'progressive trance', 'house', 'electro', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '16'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '130.063'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Tecktonik, Vol. 2 [Disc 1]'
'TBPM' (BPM (beats per minute))                     '130.063'
'TCOM' (Composer)                                   'speedwave'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Electro Fun Remix'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Abel Ramos'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '11/16'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'techno', 'progressive trance', 'house', 'electro', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.503742'

========================== row from database ==========================
                                              'id'  1306458
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/11 electro fun.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  151
                                           'genre'  electronic-th-trance
                                        'filesize'  3077729
                                           'mtime'  1621696824
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 11 electro fun electronic th trance
                                      'tag_artist'  Abel Ramos
                                     'tag_release'  Tecktonik, Vol. 2 [Disc 1]
                                       'tag_title'  Electro Fun Remix
                                             'bpm'  130.063
                                    'search_title'  'electro':1 'fun':2 'remix':3
                                   'search_artist'  'abel':1 'ramos':2
                                  'search_release'  '1':8,9 '2':5 'disc':6,7 'tecktonik':1,2 'vol':3,4
                                     'search_rest'  '00poprockelectronic':1 'electro':7 'electronic':9 'files':5,6 'fun':8 'loose':3,4 'th':10 'trance':11 'unsorted':2
                                    'search_combo'  '00poprockelectronic':15 '1':13C,14C '2':10C 'abel':4B 'disc':11C,12C 'electro':1A,21 'electronic':23 'files':19,20 'fun':2A,22 'loose':17,18 'ramos':5B 'remix':3A 'tecktonik':6C,7C 'th':24 'trance':25 'unsorted':16 'vol':8C,9C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'techno', 'progressive trance', 'house', 'electro', 'electronic']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696823.660706  (2021-05-22 17:20:23)
                             'size'  3077729