======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'The Little Boy Blues'
                                     'text_people'  ''
                                         'release'  "Tape No001 - I've Got You On My Mind "
                                           'title'  'I Can Only Give You Everything'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HAP-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['garage', 'garage rock', 'psychedelic', 'lovedbybeyondwithin', 'cover']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-gr-garage;set-pl-garagetapes'
                                             'bpm'  '145.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Tape No001 - I've Got You On My Mind "
'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-garage', 'set-pl-garagetapes']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'I Can Only Give You Everything'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Little Boy Blues'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['garage', 'garage rock', 'psychedelic', 'lovedbybeyondwithin', 'cover']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.17 dB'
'TXXX:replaygain_track_peak'                        '0.457354'
'TXXX:tracknum'                                     '01'

========================== row from database ==========================
                                              'id'  503692
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/garagetapes.blogspot.com/GT001/01 - The Little Boy Blues - I Can Only Give You Everything.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  rock-gr-garage;set-pl-garagetapes
                                        'filesize'  6109627
                                           'mtime'  1620382699
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm garagetapes.blogspot.com GT001 rock gr garage;set pl garagetapes
                                      'tag_artist'  The Little Boy Blues
                                     'tag_release'  Tape No001 - I've Got You On My Mind 
                                       'tag_title'  I Can Only Give You Everything
                                             'bpm'  145.7
                                    'search_title'  'can':2 'everything':6 'give':4 'i':1 'only':3 'you':5
                                   'search_artist'  'blues':4 'boy':3 'little':2 'the':1
                                  'search_release'  'got':6 'i':3 'ive':5 'mind':10 'my':9 'no001':2 'on':8 'tape':1 've':4 'you':7
                                     'search_rest'  'blogspot':2 'com':3 'garage':8,10 'garagetapes':1,13 'garagetapesblogspotcom':4 'gr':7 'gt001':5 'pl':12 'rock':6 'set':9,11
                                    'search_combo'  'blogspot':22 'blues':10B 'boy':9B 'can':2A 'com':23 'everything':6A 'garage':28,30 'garagetapes':21,33 'garagetapesblogspotcom':24 'give':4A 'got':16C 'gr':27 'gt001':25 'i':1A,13C 'ive':15C 'little':8B 'mind':20C 'my':19C 'no001':12C 'on':18C 'only':3A 'pl':32 'rock':26 'set':29,31 'tape':11C 'the':7B 've':14C 'you':5A,17C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['garage', 'garage rock', 'psychedelic', 'lovedbybeyondwithin', 'cover']
                                        'tag_date'  1965
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620382699.12194  (2021-05-07 12:18:19)
                             'size'  6109627