======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '396'
                                          'artist'  'CW/A'
                                     'text_people'  ''
                                         'release'  'Conducting The Method'
                                           'title'  'Modern Conflict Theory (Original Mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['techno', 'electronic', 'tech house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '4'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '126.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Conducting The Method'
'TBPM' (BPM (beats per minute))                     '126.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Modern Conflict Theory (Original Mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'CW/A'
'TPE2' (Band/orchestra/accompaniment)               'CW/A'
'TRCK' (Track number/Position in set)               '2/4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['techno', 'electronic', 'tech house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.72 dB'
'TXXX:replaygain_track_peak'                        '0.624618'

========================== row from database ==========================
                                              'id'  1364307
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/CW-A - 2014 - CW／A - Conducting the Method (Vakant) EP [320k]/2. Modern Conflict Theory (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  396
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  16179948
                                           'mtime'  1621085131
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 2014 CW／A the (Vakant) EP [320k] 2. electronic techno minimal deephouse
                                      'tag_artist'  CW/A
                                     'tag_release'  Conducting The Method
                                       'tag_title'  Modern Conflict Theory (Original Mix)
                                             'bpm'  126.0
                                    'search_title'  'conflict':2 'mix':6,7 'modern':1 'original':4,5 'theory':3
                                   'search_artist'  'a':2 'cw':1 'cwa':3
                                  'search_release'  'conducting':1 'method':3 'the':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '2':18,19 '2014':6 '320k':16,17 'a':8,10 'beats':5 'cw':7,9 'cwa':11 'deephouse':23 'electronic':20 'ep':15 'harder':4 'house':3 'minimal':22 'techno':21 'the':12 'vakant':13,14
                                    'search_combo'  '00poprockelectronic':14 '00techno':15 '2':31,32 '2014':19 '320k':29,30 'a':9B,21,23 'beats':18 'conducting':11C 'conflict':2A 'cw':8B,20,22 'cwa':10B,24 'deephouse':36 'electronic':33 'ep':28 'harder':17 'house':16 'method':13C 'minimal':35 'mix':6A,7A 'modern':1A 'original':4A,5A 'techno':34 'the':12C,25 'theory':3A 'vakant':26,27
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-1', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno', 'electronic', 'tech house']
                                        'tag_date'  2014
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085131.3246737  (2021-05-15 15:25:31)
                             'size'  16179948