======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '268'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Promo CD'
                                           'title'  "I Don't Know What you Want But I Can't Give it Any More"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '124.011'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Promo CD'
'TBPM' (BPM (beats per minute))                     '124.011'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         "I Don't Know What you Want But I Can't Give it Any More"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TXXX:Mp3gain_minmax'                               '000,197'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'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'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.35 dB'
'TXXX:replaygain_track_peak'                        '0.581988'

========================== row from database ==========================
                                              'id'  1517211
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Pet Shop Boys - I Don_t Know What you Want But I Can_t Give it Any More.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  268
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4297141
                                           'mtime'  1620610138
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Don_t Can_t electronic we disco italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  None
                                       'tag_title'  I Don't Know What you Want But I Can't Give it Any More
                                             'bpm'  124.011
                                    'search_title'  'any':15 'but':9 'can':10 'cant':12 'don':2 'dont':4 'give':13 'i':1 'it':14 'know':5 'more':16 't':3,11 'want':8 'what':6 'you':7
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'can':8 'disco':3 'don':6 'electronic':10 'italo':5 't':7,9 'waves':2 'we':11
                                    'search_combo'  '00disco':23 '00poprockelectronic':20 'any':15A 'boys':19B 'but':9A 'can':10A,27 'cant':12A 'disco':22 'don':2A,25 'dont':4A 'electronic':29 'give':13A 'i':1A 'it':14A 'italo':24 'know':5A 'more':16A 'pet':17B 'shop':18B 't':3A,11A,26,28 'want':8A 'waves':21 'we':30 'what':6A 'you':7A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-4', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620610138.0703707  (2021-05-10 03:28:58)
                             'size'  4297141