======================== unified (from filesystem) ========================
                                         'bitrate'  '174.976'
                                        'duration'  '166'
                                          'artist'  'Hank Williams with His Drifting Cowboys'
                                     'text_people'  ''
                                         'release'  'The Very Best Country and Bluegrass'
                                           'title'  "I'm So Lonesome I Could Cry"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-1', 'Q-UNU-2', 'q-syn-1', 'q-bass-2', "
 "'q-busy-2', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-3']")
                                      'lastfmtags'  "['country', 'usa', '50s', '40s', 'male vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country'
                                             'bpm'  '110.362'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Very Best Country and Bluegrass'
'TBPM' (BPM (beats per minute))                     '110.362'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country'
'TDRC' (Recording time)                             '2013'
'TENC' (Encoded by)                                 'GTi'
'TIT2' (Title/songname/content description)         "I'm So Lonesome I Could Cry"
'TKEY' (Initial key)                                '1B'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Hank Williams with His Drifting Cowboys'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['country', 'usa', '50s', '40s', 'male vocalists']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.45 dB'
'TXXX:replaygain_track_peak'                        '0.497981'

========================== row from database ==========================
                                              'id'  978004
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/VA-The_Very_Best_Country_And_Bluegrass-2CD-2013-GTi/116-hank_williams_with_his_drifting_cowboys-im_so_lonesome_i_could_cry-gti.mp3
                                         'working'  None
                                         'bitrate'  175
                                    'duration_sec'  166
                                           'genre'  loc-namerica-country
                                        'filesize'  3642022
                                           'mtime'  1621628421
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country VA The_Very_Best_Country_And_Bluegrass 2CD 2013 GTi 116 hank_williams_with_his_drifting_cowboys im_so_lonesome_i_could_cry gti loc namerica country
                                      'tag_artist'  Hank Williams with His Drifting Cowboys
                                     'tag_release'  The Very Best Country and Bluegrass
                                       'tag_title'  I'm So Lonesome I Could Cry
                                             'bpm'  110.362
                                    'search_title'  'could':7 'cry':8 'i':1,6 'im':3 'lonesome':5 'm':2 'so':4
                                   'search_artist'  'cowboys':6 'drifting':5 'hank':1 'his':4 'williams':2 'with':3
                                  'search_release'  'and':5 'best':3 'bluegrass':6 'country':4 'the':1 'very':2
                                     'search_rest'  '116':15 '2013':13 '2cd':12 'and':10 'best':8 'bluegrass':11 'could':26 'country':4,9 'cowboys':21 'cry':27 'drifting':20 'exotica':2 'gti':14 'hank':16 'his':19 'i':25 'im':22 'jazz':1 'loc':28 'lonesome':24 'namerica':29 'oldies':3 'so':23 'the':6 'va':5 'very':7 'williams':17 'with':18
                                    'search_combo'  '116':35 '2013':33 '2cd':32 'and':19C,30 'best':17C,28 'bluegrass':20C,31 'could':7A,46 'country':18C,24,29 'cowboys':14B,41 'cry':8A,47 'drifting':13B,40 'exotica':22 'gti':34 'hank':9B,36 'his':12B,39 'i':1A,6A,45 'im':3A,42 'jazz':21 'loc':48 'lonesome':5A,44 'm':2A 'namerica':49 'oldies':23 'so':4A,43 'the':15C,26 'va':25 'very':16C,27 'williams':10B,37 'with':11B,38
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['country', 'usa', '50s', '40s', 'male vocalists']
                                        'tag_date'  2013
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628421.2038462  (2021-05-21 22:20:21)
                             'size'  3642022