======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '412'
                                          'artist'  'Dallas Superstars'
                                     'text_people'  ''
                                         'release'  'Uplifting Progressive Trance'
                                           'title'  'I Feel Love (Filterheadz Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['finnish', 'dance', 'trance', 'club', 'house', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance'
                                             'bpm'  '135.0'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Uplifting Progressive Trance'
'TBPM' (BPM (beats per minute))                     '135.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'I Feel Love (Filterheadz Remix)'
'TKEY' (Initial key)                                '3A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Dallas Superstars'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '3'
'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'                                   ['finnish', 'dance', 'trance', 'club', 'house', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.322424'

========================== row from database ==========================
                                              'id'  731666
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/tribal electro ~ classic progressive house ~ uplifting progressive trance/03-i_feel_love_(filterheadz_remix)-wltn.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  412
                                           'genre'  electronic-th-trance
                                        'filesize'  16511674
                                           'mtime'  1621509019
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm tribal electro ~ classic progressive house ~ uplifting progressive trance 03 i_feel_love_(filterheadz_remix) wltn electronic th trance
                                      'tag_artist'  Dallas Superstars
                                     'tag_release'  Uplifting Progressive Trance
                                       'tag_title'  I Feel Love (Filterheadz Remix)
                                             'bpm'  135.0
                                    'search_title'  'feel':2 'filterheadz':4,5 'i':1 'love':3 'remix':6,7
                                   'search_artist'  'dallas':1 'superstars':2
                                  'search_release'  'progressive':2 'trance':3 'uplifting':1
                                     'search_rest'  'classic':3 'electro':2 'electronic':19 'feel':9,14 'filterheadz':11,16 'house':5 'i':8,13 'love':10,15 'progressive':4 'remix':12,17 'th':20 'trance':7 'tribal':1 'uplifting':6 'wltn':18
                                    'search_combo'  'classic':15 'dallas':8B 'electro':14 'electronic':31 'feel':2A,21,26 'filterheadz':4A,5A,23,28 'house':17 'i':1A,20,25 'love':3A,22,27 'progressive':11C,16 'remix':6A,7A,24,29 'superstars':9B 'th':32 'trance':12C,19 'tribal':13 'uplifting':10C,18 'wltn':30
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['finnish', 'dance', 'trance', 'club', 'house', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621509018.679329  (2021-05-20 13:10:18)
                             'size'  16511674