======================== unified (from filesystem) ========================
                                         'bitrate'  '320.014'
                                        'duration'  '231'
                                          'artist'  'Slusnik Luna'
                                     'text_people'  ''
                                         'release'  'Ministry of Sound: Chilled 199'
                                           'title'  'Sun (Kössin mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-OLDST-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'electronic', 'chillout', 'finnish', 'groovesalad']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '99.910'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ministry of Sound: Chilled 199'
'TBPM' (BPM (beats per minute))                     '99.910'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Sun (Kössin mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Slusnik Luna'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '17'
'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', 'electronic', 'chillout', 'finnish', 'groovesalad']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.30 dB'
'TXXX:replaygain_track_peak'                        '0.839456'

========================== row from database ==========================
                                              'id'  1313065
                                            'path'  /data/Music/Bulk/00poprockelectronic/Chilled/Chilled 1991-2008 Disc 3 mp3/17 - Slusnik Luna - Sun.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  231
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  9259846
                                           'mtime'  1636921374
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1991 2008 Disc 3 mp3 17 electronic generic or radio dance
                                      'tag_artist'  Slusnik Luna
                                     'tag_release'  Ministry of Sound: Chilled 199
                                       'tag_title'  Sun (Kössin mix)
                                             'bpm'  99.91
                                    'search_title'  'kossin':2,3,4,5 'mix':6,7 'sun':1
                                   'search_artist'  'luna':2 'slusnik':1
                                  'search_release'  '199':6 'chilled':5 'ministry':1 'of':2 'sound':3,4
                                     'search_rest'  '00poprockelectronic':1 '1991':2 '2008':3 '3':5 'dance':11 'disc':4 'electronic':7 'generic':8 'mp3':6 'or':9 'radio':10
                                    'search_combo'  '00poprockelectronic':16 '199':15C '1991':17 '2008':18 '3':20 'chilled':14C 'dance':26 'disc':19 'electronic':22 'generic':23 'kossin':2A,3A,4A,5A 'luna':9B 'ministry':10C 'mix':6A,7A 'mp3':21 'of':11C 'or':24 'radio':25 'slusnik':8B 'sound':12C,13C 'sun':1A
                                    'tag_tracknum'  17
                                      'num_images'  0
                                             'key'  1A
                                           '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'electronic', 'chillout', 'finnish', 'groovesalad']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636921373.7678173  (2021-11-14 21:22:53)
                             'size'  9259846