======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '186'
                                          'artist'  'College'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "A Real Hero (GM's 16-bit cover)"
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electro', 'electronic', 'valerie', 'french', 'synthpop']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '114.868'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '114.868'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         "A Real Hero (GM's 16-bit cover)"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'College'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electro', 'electronic', 'valerie', 'french', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.452015'

========================== row from database ==========================
                                              'id'  1519624
                                            'path'  /data/Music/Bulk/00poprockelectronic/College & Electric Youth/College & Electric Youth - A Real Hero (GM_s 16-Bit Cover) [SoundCloud Rip].mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  186
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  2990494
                                           'mtime'  1620568734
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic & Electric Youth & Electric Youth (GM_s Bit Cover) [SoundCloud Rip] electronic we disco or italo
                                      'tag_artist'  College
                                     'tag_release'  None
                                       'tag_title'  A Real Hero (GM's 16-bit cover)
                                             'bpm'  114.868
                                    'search_title'  '16':7 '16bit':9 'a':1 'bit':8 'cover':10,11 'gm':4 'gms':6 'hero':3 'real':2 's':5
                                   'search_artist'  'college':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'bit':8 'cloud':22 'cover':9,10 'disco':17 'electric':2 'electronic':15 'gm':4,6 'italo':19 'or':18 'rip':13,14 's':5,7 'sound':20,21 'soundcloud':11,12 'we':16 'youth':3
                                    'search_combo'  '00poprockelectronic':13 '16':7A '16bit':9A 'a':1A 'bit':8A,20 'cloud':34 'college':12B 'cover':10A,11A,21,22 'disco':29 'electric':14 'electronic':27 'gm':4A,16,18 'gms':6A 'hero':3A 'italo':31 'or':30 'real':2A 'rip':25,26 's':5A,17,19 'sound':32,33 'soundcloud':23,24 'we':28 'youth':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['electro', 'electronic', 'valerie', 'french', 'synthpop']
                                        'tag_date'  2010
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620568734.4834023  (2021-05-09 15:58:54)
                             'size'  2990494