======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '302'
                                          'artist'  'Asha Bhosle & Mohd. Rafi'
                                     'text_people'  ''
                                         'release'  "I Love Bollywood. 15 Classic Tracks From Bollywood's Greatest Singers"
                                           'title'  'O Mera Sona (From Teesri Manzil)'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['hindi', 'desi', 'rafi', 'lesser known yet streamable artists', 'indian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '15'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'loc-asia-india'
                                             'bpm'  '108.5'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "I Love Bollywood. 15 Classic Tracks From Bollywood's Greatest Singers"
'TBPM' (BPM (beats per minute))                     '108.5'
'TCON' (Content type, a.k.a. Genre)                 'loc-asia-india'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'O Mera Sona (From Teesri Manzil)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Asha Bhosle & Mohd. Rafi'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4/15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['hindi', 'desi', 'rafi', 'lesser known yet streamable artists', 'indian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.434157'

========================== row from database ==========================
                                              'id'  1401797
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Lata Mangeshkar & S.P. Balasubrahmanyam - I love Bollywood [unionsqm 2002] +rw185/04 - Asha Bhosle & Mohd. Rafi - O mera sona (from Teesri manzil).mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  302
                                           'genre'  loc-asia-india
                                        'filesize'  6057865
                                           'mtime'  1621508907
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Lata Mangeshkar S.P. Balasubrahmanyam love [unionsqm 2002] +rw185 04 mera sona (from manzil) loc asia india
                                      'tag_artist'  Asha Bhosle & Mohd. Rafi
                                     'tag_release'  I Love Bollywood. 15 Classic Tracks From Bollywood's Greatest Singers
                                       'tag_title'  O Mera Sona (From Teesri Manzil)
                                             'bpm'  108.5
                                    'search_title'  'from':4,5 'manzil':7,8 'mera':2 'o':1 'sona':3 'teesri':6
                                   'search_artist'  'asha':1 'bhosle':2 'mohd':3,4 'rafi':5
                                  'search_release'  'bollywood':3,4,8 'bollywoods':10 'classic':5 'from':7 'greatest':11 'i':1 'love':2 's':9 'singers':12 'tracks':6
                                     'search_rest'  '00asia':1 '2002':11,12 'asia':21 'balasubrahmanyam':7 'from':16,17 'india':22 'lata':2 'loc':20 'love':8 'mangeshkar':3 'manzil':18,19 'mera':14 'p':5 'rw185':13 's':4 'sona':15 'sp':6 'unionsqm':9,10
                                    'search_combo'  '00asia':26 '2002':36,37 'asha':9B 'asia':46 'balasubrahmanyam':32 'bhosle':10B 'bollywood':16C,17C,21C 'bollywoods':23C 'classic':18C 'from':4A,5A,20C,41,42 'greatest':24C 'i':14C 'india':47 'lata':27 'loc':45 'love':15C,33 'mangeshkar':28 'manzil':7A,8A,43,44 'mera':2A,39 'mohd':11B,12B 'o':1A 'p':30 'rafi':13B 'rw185':38 's':22C,29 'singers':25C 'sona':3A,40 'sp':31 'teesri':6A 'tracks':19C 'unionsqm':34,35
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['hindi', 'desi', 'rafi', 'lesser known yet streamable artists', 'indian']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621508907.4821217  (2021-05-20 13:08:27)
                             'size'  6057865