======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '433'
                                          'artist'  'kano'
                                     'text_people'  ''
                                         'release'  'Space Disco - The Top 50'
                                           'title'  "i'm ready (12 inch)"
                                           'quals'  ("['Q-HAP-4', '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-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['italo disco', 'grime', 'hip hop', 'british', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '126.4'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Space Disco - The Top 50'
'TBPM' (BPM (beats per minute))                     '126.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TIT1' (Content group description)                  ' '
'TIT2' (Title/songname/content description)         "i'm ready (12 inch)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'kano'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['italo disco', 'grime', 'hip hop', 'british', 'rap']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.648480'
'TXXX:tracknum'                                     '20'

========================== row from database ==========================
                                              'id'  1507361
                                            'path'  /data/Music/Bulk/00poprockelectronic/v.a. - space disco_the top 50/20 kano - i_m ready (12 inch).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  433
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  13871556
                                           'mtime'  1620573967
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic v.a. space disco_the top 20 i_m electronic we disco or italo
                                      'tag_artist'  kano
                                     'tag_release'  Space Disco - The Top 50
                                       'tag_title'  i'm ready (12 inch)
                                             'bpm'  126.4
                                    'search_title'  '12':5,6 'i':1 'im':3 'inch':7,8 'm':2 'ready':4
                                   'search_artist'  'kano':1
                                  'search_release'  '50':5 'disco':2 'space':1 'the':3 'top':4
                                     'search_rest'  '00poprockelectronic':1 '20':9 'a':3 'disco':6,14 'electronic':12 'i':10 'italo':16 'm':11 'or':15 'space':5 'the':7 'top':8 'v':2 'va':4 'we':13
                                    'search_combo'  '00poprockelectronic':15 '12':5A,6A '20':23 '50':14C 'a':17 'disco':11C,20,28 'electronic':26 'i':1A,24 'im':3A 'inch':7A,8A 'italo':30 'kano':9B 'm':2A,25 'or':29 'ready':4A 'space':10C,19 'the':12C,21 'top':13C,22 'v':16 'va':18 'we':27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'q-chart-2', 'q-other-2', 'Q-HAP-4', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['italo disco', 'grime', 'hip hop', 'british', 'rap']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573967.1712513  (2021-05-09 17:26:07)
                             'size'  13871556